select * from data where sn='NACEHOVICE' and pq='co2' order by id desc limit 4
idsntspqvaluesystemts
21718682 NACEHOVICE co2 478 1561534306 Wed 26 06 2019 09:31:46
21718326 NACEHOVICE co2 511 1561533702 Wed 26 06 2019 09:21:42
21717968 NACEHOVICE co2 530 1561533097 Wed 26 06 2019 09:11:37
21717615 NACEHOVICE co2 558 1561532492 Wed 26 06 2019 09:01:32

Wed Jun 26 09:41:13 2019 by walley