UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm203CGT2SX3hbgUkIpwdg32nIE1RUXOnoAxaKo+IbQQ=' 
WHERE 
  key_id = '1b8279072ea4fa2540079df174d86f9f087ededa095347ae249b33a8d92024ab' 
  AND (
    token = 'm203CGT2SX3hbgUkIpwdg32nIE1RUXOnoAxaKo+IbQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )