UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UUdCb7c1QFn7GG0o+bODb8mIvdhb6sVdrdgDZN/+TFY=' 
WHERE 
  key_id = 'c18e07f11db0407c3eae3f184f6da5bd880130e13329a86c686ab88643487035' 
  AND (
    token = 'UUdCb7c1QFn7GG0o+bODb8mIvdhb6sVdrdgDZN/+TFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )