diff --git a/lib/Db/LocksRequest.php b/lib/Db/LocksRequest.php
index 3948f0fc..bddcc0f0 100644
--- a/lib/Db/LocksRequest.php
+++ b/lib/Db/LocksRequest.php
@@ -124,8 +124,10 @@ public function getAll(): array {
 	 * @throws Exception
 	 */
 	public function getLocksOlderThan(int $timeout): array {
+		$now = \OC::$server->get(ITimeFactory::class)->getTime();
+		$oldCreationTime = $now - $timeout * 60;
 		$qb = $this->getLocksSelectSql();
-		$qb->andWhere($qb->expr()->lt('l.creation', $qb->createNamedParameter($timeout * 60, IQueryBuilder::PARAM_INT)));
+		$qb->andWhere($qb->expr()->lt('l.creation', $qb->createNamedParameter($oldCreationTime, IQueryBuilder::PARAM_INT)));
 
 		return $this->getLocksFromRequest($qb);
 	}