UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bax+/77ZH1ZZ+CQiQSK8UEN5LaxZz7pxd4AHvPMWSnE=' 
WHERE 
  key_id = '91e437840028ed35a4c955c68b6db1f2338ff41f9777fe1ff6030e8867bb8ea8' 
  AND (
    token = 'bax+/77ZH1ZZ+CQiQSK8UEN5LaxZz7pxd4AHvPMWSnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )