UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KPf+qOx6uRC4A4w7PMDmvK05tQ48IHiORSY7vKkg80E=' 
WHERE 
  key_id = '751b0b7593ef2ced45046ef58c1a6844b68ed9700445e331595cfbf8795acc54' 
  AND (
    token = 'KPf+qOx6uRC4A4w7PMDmvK05tQ48IHiORSY7vKkg80E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )