UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5UKNiw3GYL06Maw4HwVlWD4g7qSbp0DvVj6MlVOWmSA=' 
WHERE 
  key_id = '479ee6681d73f1593c23e36d98ef92d14348ed2a536e9035570e1c0741e2e31f' 
  AND (
    token = '5UKNiw3GYL06Maw4HwVlWD4g7qSbp0DvVj6MlVOWmSA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )