Well.. This:
[Check at LVL 1]='Valid Lvl 1' or [Check_at_LVL 2]='Valid Lvl 1'
is "translated" to:
[Boolean] Or [Boolean]
Take a look at below logic operations:
True and True = True
True and False = False
True or True = True
True or False = True
Do you know what to change, now?