my $sth = $dbh->prepare("select * from campaigns where mw_export='yes' and last_update > ?");
$sth->execute(last_transfer{'campaigns'});

while(my $result = $sth->fetchrow_hashref()) {

print "It takes me over 30 minutes to print this!!!\n";

}

##</code><code>##

alter table campaigns add index mw_export (mw_export);
alter table campaigns add index last_update (last_update);