To convert the interval from seconds to other units, perform the appropriate division
mysql> mysql> SELECT @interval AS seconds, -> @interval / 60 AS minutes, -> @interval / (60 * 60) AS hours, -> @interval / (24 * 60 * 60) AS days, -> @interval / (7 * 24 * 60 * 60) AS weeks; +---------+------------+----------+--------+--------+ | seconds | minutes | hours | days | weeks | +---------+------------+----------+--------+--------+ | 604800 | 10080.0000 | 168.0000 | 7.0000 | 1.0000 | +---------+------------+----------+--------+--------+ 1 row in set (0.00 sec) mysql>