UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7Fi8NNDB98jEWXfnVGphEl9sVY6SNK4hw3xVxJDvYiU=' 
WHERE 
  key_id = '49255449e38c93f6da72f4afddefb359dc8b0eb83037f526c58446bcc6875b5d' 
  AND (
    token = '7Fi8NNDB98jEWXfnVGphEl9sVY6SNK4hw3xVxJDvYiU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )