my $cond = GT::SQL::Condition->new(
'isValidated' => '=' => 'Yes');

$links_db->select_options ("GROUP BY Links.ID ORDER BY Mod_Date DESC", "LIMIT 30");
my $sth = $links_db->select( ['Links.ID','Title','URL'] => $cond );

while (my $link = $sth->fetchrow_array) {

print $link->{'ID'};

}