diff --git a/src/Bundle/ChillDocStoreBundle/Service/Lock/CleanOldLockCronJob.php b/src/Bundle/ChillDocStoreBundle/Service/Lock/CleanOldLockCronJob.php
new file mode 100644
index 000000000..3d9cee814
--- /dev/null
+++ b/src/Bundle/ChillDocStoreBundle/Service/Lock/CleanOldLockCronJob.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Service\Lock;
+
+use Chill\MainBundle\Cron\CronJobInterface;
+use Chill\MainBundle\Entity\CronJobExecution;
+use Symfony\Component\Clock\ClockInterface;
+
+final readonly class CleanOldLockCronJob implements CronJobInterface
+{
+    private const KEY = 'clean-old-stored-object-lock';
+
+    public function __construct(private CleanOldLock $cleanOldLock, private ClockInterface $clock) {}
+
+    public function canRun(?CronJobExecution $cronJobExecution): bool
+    {
+        if (null === $cronJobExecution) {
+            return true;
+        }
+
+        return $this->clock->now() > $cronJobExecution->getLastStart()->add(new \DateInterval('PT12H'));
+    }
+
+    public function getKey(): string
+    {
+        return self::KEY;
+    }
+
+    public function run(array $lastExecutionData): ?array
+    {
+        ($this->cleanOldLock)();
+
+        return [];
+    }
+}
diff --git a/src/Bundle/ChillDocStoreBundle/Tests/Service/Lock/CleanOldLockCronJobTest.php b/src/Bundle/ChillDocStoreBundle/Tests/Service/Lock/CleanOldLockCronJobTest.php
new file mode 100644
index 000000000..3830f31b0
--- /dev/null
+++ b/src/Bundle/ChillDocStoreBundle/Tests/Service/Lock/CleanOldLockCronJobTest.php
@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Tests\Service\Lock;
+
+use Chill\DocStoreBundle\Service\Lock\CleanOldLock;
+use Chill\DocStoreBundle\Service\Lock\CleanOldLockCronJob;
+use Chill\MainBundle\Entity\CronJobExecution;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Prophecy\Prophecy\ObjectProphecy;
+use Symfony\Component\Clock\MockClock;
+
+/**
+ * @covers \Chill\DocStoreBundle\Service\Lock\CleanOldLockCronJob
+ *
+ * @internal
+ */
+class CleanOldLockCronJobTest extends TestCase
+{
+    use ProphecyTrait;
+
+    private MockClock $clock;
+
+    /**
+     * @var ObjectProphecy<CleanOldLock>
+     */
+    private ObjectProphecy $cleanOldLock;
+
+    private CleanOldLockCronJob $cronJob;
+
+    protected function setUp(): void
+    {
+        $this->clock = new MockClock('2024-01-02 12:00:00');
+        $this->cleanOldLock = $this->prophesize(CleanOldLock::class);
+        $this->cronJob = new CleanOldLockCronJob(
+            $this->cleanOldLock->reveal(),
+            $this->clock
+        );
+    }
+
+    public function testGetKey(): void
+    {
+        self::assertSame('clean-old-stored-object-lock', $this->cronJob->getKey());
+    }
+
+    public function testRun(): void
+    {
+        $this->cleanOldLock->__invoke()->shouldBeCalled();
+
+        $result = $this->cronJob->run([]);
+
+        self::assertSame([], $result);
+    }
+
+    public function testCanRunWhenNullExecution(): void
+    {
+        self::assertTrue($this->cronJob->canRun(null));
+    }
+
+    public function testCanRunWhenLastStartIsWithin12Hours(): void
+    {
+        $execution = new CronJobExecution('key');
+        // lastStart is "now" (2024-01-02 12:00:00)
+        // clock is "now"
+        // now > lastStart + 12h is FALSE
+
+        self::assertFalse($this->cronJob->canRun($execution));
+    }
+
+    public function testCanRunWhenLastStartIsOlderThan12Hours(): void
+    {
+        $execution = new CronJobExecution('key');
+        $execution->setLastStart(new \DateTimeImmutable('2024-01-01 12:00:00'));
+        // clock is 2024-01-02 12:00:00
+        // lastStart + 12h is 2024-01-02 00:00:00
+        // 2024-01-02 12:00:00 > 2024-01-02 00:00:00 is TRUE
+
+        self::assertTrue($this->cronJob->canRun($execution));
+    }
+}