The good news is that the settings are still there. The odd news is that there is a strange remnant at the end of that entry:
; 0
From here I cannot tell if that is from a mis-copy/paste or truly is a part of the entry. Did you happen to notice whether you were experiencing MySQL connection problems at some point? If you want me to investigate further, PM me admin level ACP access with Can Administer
GAB
permission as well as phpMyAdmin access.