UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79NbrWNfRtZg55FchK0KgzoM6cfMdttGVdPJXLC6p7k=' 
WHERE 
  key_id = '0712070e4a1894f6900b8b28adf8520da73f5499701b2c5de1f2a14c5698ae32' 
  AND (
    token = '79NbrWNfRtZg55FchK0KgzoM6cfMdttGVdPJXLC6p7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )