UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tn+Ej0dHgjickH//Y0P3s4OoQA7jL8KCraCpVDB+Wjs=' 
WHERE 
  key_id = '244b8d59d20bcbc0ab8907b44adc62a9619c1e94e06762c2322e01bd840adb1f' 
  AND (
    token = 'tn+Ej0dHgjickH//Y0P3s4OoQA7jL8KCraCpVDB+Wjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )