Potential upgrade path?

My PC Specs

CPU:AMD Ryzen 3 3100

Cooler: AMD Wraith Stealth

RAM: 16GB DDR4 @3000 Mhz (Corsair)

Graphics: Nvidia RTX 3050 6GB (Asus)

SSD: 1TB NVME (MSI)

Motherboard: Gigabyte A520i (Mini-ITX)

CASE: Kolink Rocket Mini-ITX Tower

PSU: UNYKA SFX 450 Watt

I live in the uk and my overall budget for upgrading is around £400-£500 and buying used is fine for me,I don’t play the most demanding games and this pc can run the games I want to play decently well I’m just looking for a bit more oomph in some games while not overly spending,any help is much appreciated