UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9RNIzzcP5+bkPD6uYNdsI0gdGioDZae3ESO9sDGi+0k=' 
WHERE 
  key_id = '819178f2d897f7dec5061ed5318e86bf8946c576dc7491dc58d67360c27e9da4' 
  AND (
    token = '9RNIzzcP5+bkPD6uYNdsI0gdGioDZae3ESO9sDGi+0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )