select * from data where sn='1' and pq='cputemp' order by id desc limit 4
idsntspqvaluesystemts
20112605 1 cputemp 37.014 1555618804 Thu 18 04 2019 22:20:04
20112593 1 cputemp 37.014 1555618785 Thu 18 04 2019 22:19:45
20112584 1 cputemp 37.552 1555618765 Thu 18 04 2019 22:19:25
20112572 1 cputemp 36.476 1555618746 Thu 18 04 2019 22:19:06

Thu Apr 18 22:20:06 2019 by walley