UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OK6gtv0+OwFrbLIAhD05JbxVF9zq+nunUkMWAscJrdk=' 
WHERE 
  key_id = 'a821ce1329572b199c7eae5003e6c0c832e0c15d137f9307694095b6c328e913' 
  AND (
    token = 'OK6gtv0+OwFrbLIAhD05JbxVF9zq+nunUkMWAscJrdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )