$sql = "UPDATE users SET
							fname='".$form_values{'fname'}."',
							lname='".$form_values{'lname'}."',
					phone='".$form_values{'phone'}."'

	WHERE
							(contact_id = $form_values{'contact_id'})
						";
print "<p>sql = $sql\n";
#execute
$sth = $dbh->prepare($sql) or die("Could not prepare!" . $dbh->errstr);
$sth->execute() or die("Could not execute!" . $dbh->errstr);