UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4nKkzgTPjWdLTNhzWcoajSo0dW40xvLMgo5cXExkYYs=' 
WHERE 
  key_id = '27137b5ce3462352bad55cae461262c51e1e3e3fb45cb494ba769b5bcd405eb8' 
  AND (
    token = '4nKkzgTPjWdLTNhzWcoajSo0dW40xvLMgo5cXExkYYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )