UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U5+Tpqgf+mCDTphR9P1FxUcbVE0rq7o0MtNYnCHPmsg=' 
WHERE 
  key_id = '3f9048355a06a5877e1e708b91df9a3356272f82497fc829bc586e923d4ca0ba' 
  AND (
    token = 'U5+Tpqgf+mCDTphR9P1FxUcbVE0rq7o0MtNYnCHPmsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )