Two things I see (not sure if this will solve your issue):

my $update_ids = $dbh->prepare("UPDATE queue set processed = \'T\' whe
+re id = $ids");
[download]

You are preparing the update statement on every while loop iteration. I think you should prepare the update statement before the while loop and use a placeholder for your id value.

my $update_ids = $dbh->prepare("UPDATE queue set processed = 'T' where
+ id = ?");
[download]

Also, what is the \'T\' for? 'T' should work fine since you are quoting the SQL with double quotes and don't need to escape the single quote.