Pc glass is very hot

I have a 3060ti and a r5 5600 with a cheap cooler the 3060ti gets to 85c in valorant lobby on even in game and the CPU is at 75 to 80 the case is a reddragon case it's the GC 601. the GPU was used from RB tech and games to I assume it was repasted when they got it . The ac is not currently on with these temps but the room is not that hot . what should I upgrade