$query = "UPDATE account SET v = '0' WHERE username = '".$account."'";
$result = mysql_query($query) or die(mysql_error());
$query = "UPDATE account SET s = '0' WHERE username = '".$account."'";
$result = mysql_query($query) or die(mysql_error());
after
$query = "UPDATE account SET sha_pass_hash = '".$enewpass."' WHERE username = '".$account."'";
$result = mysql_query($query) or die(mysql_error());
there is probably a cleaner way to do this but i really dont know.