diff --git a/db/routines/vn/procedures/collection_assign.sql b/db/routines/vn/procedures/collection_assign.sql
index 8f23ebe4a..1c3ef06ab 100644
--- a/db/routines/vn/procedures/collection_assign.sql
+++ b/db/routines/vn/procedures/collection_assign.sql
@@ -16,6 +16,7 @@ BEGIN
 	DECLARE vItemPackingTypeFk VARCHAR(1);
 	DECLARE vWarehouseFk INT;
 	DECLARE vLockName VARCHAR(215);
+	DECLARE vLockTime INT DEFAULT 30;
 
 	DECLARE EXIT HANDLER FOR SQLEXCEPTION
 	BEGIN
@@ -33,8 +34,8 @@ BEGIN
 			pc.collectionAssignLockname
 		INTO vHasTooMuchCollections,
 			 vLockName
-		FROM tCollection
-			JOIN productionConfig pc;
+		FROM productionConfig pc
+			LEFT JOIN tCollection ON TRUE;
 
 	DROP TEMPORARY TABLE tCollection;
 
@@ -53,6 +54,10 @@ BEGIN
 		vItemPackingTypeFk
 	);
 
+	IF NOT GET_LOCK(vLockName, vLockTime) THEN
+		CALL util.throw(CONCAT('Cannot get lock: ', vLockName));
+	END IF;
+
 	-- Se eliminan las colecciones sin asignar que estan obsoletas
 	INSERT INTO ticketTracking(stateFk, ticketFk)
 			SELECT s.id, tc.ticketFk