As far as Bungie are concerned, if the option to spend them has disappeared for you then you've spent the intended amount [quote]RIVEN’S WISH TOKENS We have investigated an issue where some players were not able to spend all the Wish Tokens available in their inventory. In every instance we observed during our investigation, players had already spent the intended seven total tokens and had inadvertently been granted an additional token from an earlier week’s quest. Players can safely dismantle these extra tokens, as all the intended rewards have been claimed.[/quote] https://www.bungie.net/7/en/News/article/this-week-in-destiny-03-28-24