Shoving in this situation, even with the crazy wet board, is still going to be +EV unless you're shoving against a total nit who never puts a penny in the pot without having a nut-type hand.

Look at the math: you're risking $10 in your shove to win $13.90 (if he calls), which means you need 41.8% equity for the AI. Even his tightest calling range possible gives you 37.5%. Add in a few overpairs or draws, and factor in fold equity, and you're easily +EV.

Board: 4s 5s 6h
Dead:

equity win tie pots won pots tied
Hand 0: 37.539% 36.21% 01.33% 13623 499.00 { 5c5h }
Hand 1: 62.461% 61.14% 01.33% 22999 499.00 { 66, 44, 87s, 32s, 87o, 32o }