Weird. 
Try this out 
In your DB user, set the salt column to blank (no spaces) 
THen goto: 
http://www.xs4all.nl/~jlpoutre/BoT/Javascript/Utils/md5_hashing.html 
Enter a password there, and copy the "HEX encoded md5 hash:" into the password column. Then try logging in. Them immediately change your password