When something has expired, it means that it is no longer valid or usable. Therefore, antonyms for the phrase "more expired" could include terms such as fresh, valid, current, in-date, effective, or potent. If a product is fresh, it means that it is new and has not yet expired. Likewise, if something is valid, it means that it is legally or officially recognized and still usable. Of course, any antonym for "more expired" would depend on the context in which it is used. Nonetheless, these words provide some options for expressing the opposite of something that has already gone bad.