UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9DOCR6S61dYfMhsDIzjE5WaxiGn3wWfvImAdf8k5ue0=' 
WHERE 
  key_id = '81e3e3982fd4297e20e6ea3da4c8758d40774f35a2052185dd92fc60e8358ec1' 
  AND (
    token = '9DOCR6S61dYfMhsDIzjE5WaxiGn3wWfvImAdf8k5ue0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )