UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BgKFn8KAX8il0hEC84DUaN5Yxa2uAKnQsLDoBAcZIsg=' 
WHERE 
  key_id = '97af6b82334a2867823e0046fde140a6cb396d2fbb543256b97897c357d27743' 
  AND (
    token = 'BgKFn8KAX8il0hEC84DUaN5Yxa2uAKnQsLDoBAcZIsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )