UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '93psihZQcwytjxSbWl+lKGiuoD5c6BgTlOyG6IYqx20=' 
WHERE 
  key_id = '847551b79fed3c90be1a7a967d77f271169bc700ca3d452c5f10437b7bc916c1' 
  AND (
    token = '93psihZQcwytjxSbWl+lKGiuoD5c6BgTlOyG6IYqx20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )