Website desing + Blockchain web3js

Need add wallet connect to the website connect data base website to one game AND change virtual token on game for real token on website need best ui desing AND structure + connection to database on game . Transacción Is exchange virtual token to real token and leave the virtual token of the inventory in play another Is exchange real token for virtual token AND player get directly to inventory the game base on unreal engine AND i have everithing database MySQL