UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '49MWYqKsQOtZYQfnKokEZRuIC+1KCnyf5DwEMWANGRA=' 
WHERE 
  key_id = '6c6d141aa4dbd8901c65434de3654832ca8356b9cd28a4e5b1e4011ffb309410' 
  AND (
    token = '49MWYqKsQOtZYQfnKokEZRuIC+1KCnyf5DwEMWANGRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )