Always worth applying mate. The alternative to not applying (i.e. Hating the work that you do / stuck in a job you hate) is much worse than not taking the chance at something better. Plus, the cool thing about most MSWs is they look at your application as a whole. A strong personal statement along with the experience you have can go a long way.
Rooting for you (and maybe even us if I don't get in this year) for 2022