UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xjn6Q8an4iKiPW9X/G8b7k8o6U1UPL8qAkd1sU5Ll+Y=' 
WHERE 
  key_id = '18bba689c870962b7df121750db000420f7d338aeceb74dfcf227bc29e9f54bb' 
  AND (
    token = 'Xjn6Q8an4iKiPW9X/G8b7k8o6U1UPL8qAkd1sU5Ll+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )