ushi

SELECT `year`, `on` FROM `table` WHERE `on`=1
UNION
SELECT `year`, '0' FROM `table` WHERE `on`=1

INSERT INTO `table` (`year`, `on`)
SELECT `inner`.`year`, '0' FROM (
	SELECT * FROM `table` WHERE `on`=1 
) AS `inner`

<?php echo human_time_diff(strtotime(get_field('param1')), current_time('timestamp')); ?>