UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uFU9Ue2uSgWCbQDBCjvgWdzxDgtynKSZu5FAMgTxWNY=' 
WHERE 
  key_id = '21e1784a4adbf7eb2af0307cc55333dc43564dccc02666c949a954dbcb18ff43' 
  AND (
    token = 'uFU9Ue2uSgWCbQDBCjvgWdzxDgtynKSZu5FAMgTxWNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )