UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '646ZDss8PyVkO94mUKiTKHeSlBXufyt+7o8sE97OZI0=' 
WHERE 
  key_id = 'c9f39d0e0eef83be31dd2b2c8c176e364038f0d1b45e9cc8c0c3793be04de4b9' 
  AND (
    token = '646ZDss8PyVkO94mUKiTKHeSlBXufyt+7o8sE97OZI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )