<font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> like RAID 1:10 or more low.</font></font>
On JP, unused tokens are converted to gold after the event just like the Ragna coins. Don't know what the conversion rate on Global will be, though.
spend them in the shop.
What Kuronee said, from what I can see, they are not listed in the misc. tab of your inventory, so might not be sellable.