umop-ap!sdn Mystery Cache

This is my first attempt at a puzzle cache. I think it's clever, but that should be a red flag since "there's a fine line between clever and stupid." I'm never sure which side of that line I'm on.

The puzzle is below.

'|!)uad v 6u!Jq 'sa+nu!w
aaJy+ au!u auo +u!od om+-h+J!y+
saaJ6ap auo-h+ua^as +sam
s! apn+!6uo| ay+ 'sa+nu!w om+ au!u a^!j
+u!od a^|am+ saaJ6ap aaJy+-h+Joj
y+Jou s! apn+!+v| ay+ 'uo!+v+oJ
jo +!q v puv uo!+vu!6vw! a|++!| v y+!m
y6noua h|!sva pvaJ aq uv) san|) asay+