UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kv5dSid9f7F0RURKXgeYHsOq195/dgUmfzl9WsdjvhU=' 
WHERE 
  key_id = 'a4ee1b4459d91fbbced7ccbd94d976b84b8885b8114e9cdabc1eef6f795c7ca8' 
  AND (
    token = 'Kv5dSid9f7F0RURKXgeYHsOq195/dgUmfzl9WsdjvhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )