QUERY ERROR: Unknown column '$expu' in 'field list'
Query was UPDATE `users` SET `level`=level+1, `exp`=$expu, `energy`=energy+2, `brave`=brave+2, `maxenergy`=maxenergy+2, `maxbrave`=maxbrave+2, `hp`=hp+50, `maxhp`=maxhp+50 WHERE (`userid`=2)
I now get this error if i enter that script