UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2KSrSO3J86rtzWD5q3l3ejZeST2zn41nhXQNp59oGxQ=' 
WHERE 
  key_id = '6247ce29a8c821c300498d25d7a6b36a40217f9c8c18bcd2d4947188fd8bd541' 
  AND (
    token = '2KSrSO3J86rtzWD5q3l3ejZeST2zn41nhXQNp59oGxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )