I am (very rarely) getting the number 34560000 in my database so I found,

The column is for session time and NULL=yes DeFAULT=NULL.

The session start mysql script puts a 0 into the session time column. (I didn't set up the database).

Other columns have a default value and that number does not appear in any of those columns.

I'm thinking that if it was set to a default value of 0 that number would no longer appear.

I'm asking if this would be a fix?

The number only gets inserted possibly once a month with thousands of users so it would be months before I would know if it was a fix.