UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AxfeXSaVk3ubdGwm8ke6AYYqq1TaGtPENSVQdKltUds=' 
WHERE 
  key_id = 'c2906c6997b7a4211093a6a420c21f8ae315333e2dcc939b4de7114e514487b0' 
  AND (
    token = 'AxfeXSaVk3ubdGwm8ke6AYYqq1TaGtPENSVQdKltUds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )