diff --git a/app/config/routing/admin_event.yml b/app/config/routing/admin_event.yml
index 6c9d756b3..fee64e9ab 100644
--- a/app/config/routing/admin_event.yml
+++ b/app/config/routing/admin_event.yml
@@ -61,6 +61,12 @@ admin_event_special_price:
   path: /special_price
   defaults: {_controller: AppBundle\Controller\Admin\Event\SpecialPriceAction}
 
+admin_event_special_price_extend:
+  path: /special_price/{id}/extend
+  defaults: {_controller: AppBundle\Controller\Admin\Event\ExtendSpecialPriceAction}
+  requirements:
+    id: \d+
+
 admin_event_prices:
   path: /prices
   defaults: {_controller: AppBundle\Controller\Admin\Event\PricesAction }
diff --git a/sources/AppBundle/Controller/Admin/Event/ExtendSpecialPriceAction.php b/sources/AppBundle/Controller/Admin/Event/ExtendSpecialPriceAction.php
new file mode 100644
index 000000000..f52a2bc43
--- /dev/null
+++ b/sources/AppBundle/Controller/Admin/Event/ExtendSpecialPriceAction.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace AppBundle\Controller\Admin\Event;
+
+use AppBundle\Event\AdminEventSelection;
+use AppBundle\Event\Model\Repository\TicketSpecialPriceRepository;
+use AppBundle\Event\Model\TicketSpecialPrice;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+
+class ExtendSpecialPriceAction extends AbstractController
+{
+    public function __construct(
+        private readonly TicketSpecialPriceRepository $ticketSpecialPriceRepository,
+    ) {}
+
+    public function __invoke(int $id, AdminEventSelection $eventSelection): Response
+    {
+        $specialPrice = $this->ticketSpecialPriceRepository->get($id);
+
+        if (!$specialPrice instanceof TicketSpecialPrice) {
+            throw $this->createNotFoundException();
+        }
+
+        $newDateEnd = clone $specialPrice->getDateEnd();
+        $newDateEnd->modify(sprintf('+%d days', SpecialPriceAction::EXTEND_DAYS));
+        $specialPrice->setDateEnd($newDateEnd);
+
+        $this->ticketSpecialPriceRepository->save($specialPrice);
+
+        $this->addFlash('notice', sprintf('La validité du token a été prolongée de %d jours.', SpecialPriceAction::EXTEND_DAYS));
+
+        return $this->redirectToRoute('admin_event_special_price', [
+            'id' => $eventSelection->event->getId(),
+        ]);
+    }
+}
diff --git a/sources/AppBundle/Controller/Admin/Event/SpecialPriceAction.php b/sources/AppBundle/Controller/Admin/Event/SpecialPriceAction.php
index 9a30a8c7f..3ca87b934 100644
--- a/sources/AppBundle/Controller/Admin/Event/SpecialPriceAction.php
+++ b/sources/AppBundle/Controller/Admin/Event/SpecialPriceAction.php
@@ -16,6 +16,8 @@
 
 class SpecialPriceAction extends AbstractController
 {
+    public const EXTEND_DAYS = 3; // jours
+
     public function __construct(
         private readonly TicketSpecialPriceRepository $ticketSpecialPriceRepository,
         private readonly Authentication $authentication,
@@ -53,6 +55,7 @@ public function __invoke(Request $request, AdminEventSelection $eventSelection):
             'title' => 'Gestion des prix custom',
             'form' => $form->createView(),
             'event_select_form' => $eventSelection->selectForm(),
+            'extend_days' => self::EXTEND_DAYS,
         ]);
     }
 }
diff --git a/sources/AppBundle/Event/Model/Repository/TicketSpecialPriceRepository.php b/sources/AppBundle/Event/Model/Repository/TicketSpecialPriceRepository.php
index 732c86652..92514c2fb 100644
--- a/sources/AppBundle/Event/Model/Repository/TicketSpecialPriceRepository.php
+++ b/sources/AppBundle/Event/Model/Repository/TicketSpecialPriceRepository.php
@@ -80,6 +80,7 @@ public static function initMetadata(SerializerFactoryInterface $serializerFactor
             ->addField([
                 'columnName' => 'id',
                 'fieldName' => 'id',
+                'primary' => true,
                 'type' => 'int',
             ])
             ->addField([
diff --git a/templates/admin/event/special_price.html.twig b/templates/admin/event/special_price.html.twig
index 9a73c1517..1c3ce1341 100644
--- a/templates/admin/event/special_price.html.twig
+++ b/templates/admin/event/special_price.html.twig
@@ -15,6 +15,7 @@
             <th>Date de début</th>
             <th>Date de fin</th>
             <th>Utilisé ?</th>
+            <th></th>
             <th>Lien</th>
         </thead>
         <tbody>
@@ -34,6 +35,13 @@
                         <span class="ui red label">non</span>
                     {% endif %}
                 </td>
+                <td>
+                    <a href="{{ path('admin_event_special_price_extend', {'id': row.special_price.id}) }}"
+                       data-tooltip="Prolonger la validité de {{ extend_days }} jours"
+                       class="ui icon button">
+                        <i class="clock outline icon"></i>
+                    </a>
+                </td>
                 <td><a href="{{ path('ticket', {'eventSlug' : event.path, 'token': row.special_price.token  }) }}">Lien</a></td>
 
             </tr>
diff --git a/tests/behat/features/Admin/Events/TokensVIsiteurs.feature b/tests/behat/features/Admin/Events/TokensVIsiteurs.feature
index 78e18b151..bf993c3e7 100644
--- a/tests/behat/features/Admin/Events/TokensVIsiteurs.feature
+++ b/tests/behat/features/Admin/Events/TokensVIsiteurs.feature
@@ -21,3 +21,17 @@ Feature: Administration - Évènements - Tokens Visiteurs
     # Lien d'un token
     And I follow "Lien"
     Then I should see "Spécial Forum * 2€ TTC"
+
+  @reloadDbWithTestData
+  Scenario: Prolonger la validité d'un token visiteur
+    Given I am logged in as admin and on the Administration
+    And I follow "Tokens visiteurs"
+    # Ajout d'un token
+    When I fill in "ticket_special_price[price]" with "2"
+    And I fill in "ticket_special_price[description]" with "Token visiteur de test"
+    And I press "Enregistrer"
+    Then I should see "Le token a été enregistré"
+    # Prolongation du token
+    And I should see tooltip "Prolonger la validité de 3 jours"
+    When I follow the button of tooltip "Prolonger la validité de 3 jours"
+    Then I should see "La validité du token a été prolongée de 3 jours."