UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QTakXlGIpJBmnltw+irzTZf1u96B8mkeDgbXIWudYS8=' 
WHERE 
  key_id = '48ce448c706dbe57f4403874be08141d5b854a3e6fb19b731f3da04a31853d2e' 
  AND (
    token = 'QTakXlGIpJBmnltw+irzTZf1u96B8mkeDgbXIWudYS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )