diff --git a/db/routines/stock/events/stock_clean.sql b/db/routines/stock/events/stock_clean.sql
new file mode 100644
index 0000000000..86f8a15fc8
--- /dev/null
+++ b/db/routines/stock/events/stock_clean.sql
@@ -0,0 +1,8 @@
+DELIMITER $$
+CREATE OR REPLACE DEFINER=`vn`@`localhost` EVENT `stock`.`stock_clean`
+	ON SCHEDULE EVERY 60 SECOND
+		STARTS '2025-01-01 00:00:00.000'
+	ON COMPLETION PRESERVE
+	ENABLE
+DO CALL stock_clean$$
+DELIMITER ;
diff --git a/db/routines/stock/events/stock_sync.sql b/db/routines/stock/events/stock_sync.sql
index 9287198a96..d598cfc81a 100644
--- a/db/routines/stock/events/stock_sync.sql
+++ b/db/routines/stock/events/stock_sync.sql
@@ -1,8 +1,8 @@
 DELIMITER $$
 CREATE OR REPLACE DEFINER=`vn`@`localhost` EVENT `stock`.`stock_sync`
 	ON SCHEDULE EVERY 5 SECOND
-		STARTS '2017-06-27 17:15:02.000'
-	ON COMPLETION NOT PRESERVE
+		STARTS '2025-01-01 00:00:00.000'
+	ON COMPLETION PRESERVE
 	DISABLE
 DO CALL stock_sync$$
 DELIMITER ;
diff --git a/db/routines/stock/procedures/buyOut_refreshSale.sql b/db/routines/stock/procedures/buyOut_refreshSale.sql
index 795f477a24..bb490d7ef8 100644
--- a/db/routines/stock/procedures/buyOut_refreshSale.sql
+++ b/db/routines/stock/procedures/buyOut_refreshSale.sql
@@ -5,13 +5,15 @@ CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `stock`.`buyOut_refreshSale
 BEGIN
 	DECLARE vAliveDate DATE;
 
-	SET vAliveDate = CURDATE() - INTERVAL 1 MONTH;
+	SELECT util.VN_CURDATE() - INTERVAL saleLife MONTH
+		INTO vAliveDate
+		FROM config LIMIT 1;
 
 	CREATE OR REPLACE TEMPORARY TABLE tLotStatus
 		ENGINE = MEMORY
 		SELECT lotFk,
 				s.quantity < 0 isExcluded,
-				t.landed >= vAliveDate isAlive
+				t.shipped >= vAliveDate isAlive
 			FROM vn.sale s
 				JOIN vn.ticket t ON t.id = s.ticketFk
 			WHERE
diff --git a/db/routines/stock/procedures/stock_clean.sql b/db/routines/stock/procedures/stock_clean.sql
new file mode 100644
index 0000000000..5cd21cb85c
--- /dev/null
+++ b/db/routines/stock/procedures/stock_clean.sql
@@ -0,0 +1,52 @@
+DELIMITER $$
+CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `stock`.`stock_clean`()
+BEGIN
+/**
+ * Cleans current time dependent cache records.
+ */
+	DECLARE vExpired DATETIME;
+	DECLARE vAliveDate DATE;
+
+	-- Expired order reserves
+
+	SELECT SUBTIME(util.VN_NOW(), reserveTime)
+		INTO vExpired
+		FROM hedera.orderConfig LIMIT 1;
+
+	CREATE OR REPLACE TEMPORARY TABLE tOutDelete
+		SELECT outFk FROM buyOut
+			WHERE source = 'orderRow'
+				AND created < vExpired;
+
+	START TRANSACTION;
+
+	UPDATE buyLot l
+			JOIN buyPick p ON p.lotFk = l.lotFk
+			JOIN tOutDelete od ON od.outFk = p.outFk
+		SET l.isSync = FALSE,
+			l.available = l.available + p.quantity;
+
+	DELETE p FROM buyPick p
+		JOIN tOutDelete od USING(outFk);
+
+	COMMIT;
+
+	-- Frozen old sales
+
+	SELECT util.VN_CURDATE() - INTERVAL saleLife MONTH
+		INTO vAliveDate
+		FROM config LIMIT 1;
+
+	CREATE OR REPLACE TEMPORARY TABLE tOutDelete
+		SELECT outFk FROM buyOut
+			WHERE source = 'sale'
+				AND dated < vAliveDate;
+
+	DELETE p FROM buyPick p
+		JOIN tOutDelete od USING(outFk);
+
+	-- Clean
+
+	DROP TEMPORARY TABLE tOutDelete;
+END$$
+DELIMITER ;
diff --git a/db/versions/11009-tealRuscus/04-buyOut.sql b/db/versions/11009-tealRuscus/04-buyOut.sql
index d7867ad99b..5d0d82ad43 100644
--- a/db/versions/11009-tealRuscus/04-buyOut.sql
+++ b/db/versions/11009-tealRuscus/04-buyOut.sql
@@ -3,7 +3,6 @@ RENAME TABLE IF EXISTS stock.outbound TO stock.buyOut;
 ALTER TABLE stock.buyOut
 	CHANGE tableName source enum('buy','sale','orderRow') CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
 	CHANGE id outFk int(10) UNSIGNED NOT NULL,
-	DROP INDEX source,
 	DROP COLUMN tableId,
 	DROP INDEX expired,
 	DROP COLUMN expired;
diff --git a/db/versions/11009-tealRuscus/05-stockConfig.sql b/db/versions/11009-tealRuscus/05-stockConfig.sql
new file mode 100644
index 0000000000..466a419cac
--- /dev/null
+++ b/db/versions/11009-tealRuscus/05-stockConfig.sql
@@ -0,0 +1,11 @@
+CREATE TABLE stock.config (
+	id INT UNSIGNED auto_increment NOT NULL,
+	saleLife INT UNSIGNED NOT NULL COMMENT 'Maximum sales cache lifetime in days',
+	CONSTRAINT config_pk PRIMARY KEY (id)
+)
+ENGINE=InnoDB
+DEFAULT CHARSET=utf8mb3
+COLLATE=utf8mb3_general_ci;
+
+INSERT INTO stock.config (id, saleLife)
+	VALUES (1, 90);