UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4T5nZffJLVI4ypqvheO9GgF6iVxR2EqnTYW+2uDkq0=' 
WHERE 
  key_id = 'fe3c0c495383f587684cd3947c5f7e29551f836a783950b84f938569c117ce39' 
  AND (
    token = 'n4T5nZffJLVI4ypqvheO9GgF6iVxR2EqnTYW+2uDkq0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )