UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXqWtLwrDW5leJuQmbfuR95enev29gRdyfCIP1DXWII=' 
WHERE 
  key_id = '9c36f3153a8203837ff90146f27d1cc1e48700fe84f37e65e19aed6d0adb0e19' 
  AND (
    token = 'mXqWtLwrDW5leJuQmbfuR95enev29gRdyfCIP1DXWII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )