UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6rKhyO8Zf4tdcOalA0a4ICEVVTCXzN06DAYHFVRlMTk=' 
WHERE 
  key_id = 'c82b1cb8e319f2f7d8531c202fe11b76e09e2635b7b5f918e93fa6f9649464f9' 
  AND (
    token = '6rKhyO8Zf4tdcOalA0a4ICEVVTCXzN06DAYHFVRlMTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )