select * from data where sn='NACEHOVICE' and pq='co2' order by id desc limit 4
idsntspqvaluesystemts
29410800 NACEHOVICE co2 1145 1576491396 Mon 16 12 2019 11:16:36
29410388 NACEHOVICE co2 1115 1576490694 Mon 16 12 2019 11:04:54
29409985 NACEHOVICE co2 1101 1576490477 Mon 16 12 2019 11:01:17
29409574 NACEHOVICE co2 1123 1576489872 Mon 16 12 2019 10:51:12

Mon Dec 16 11:23:46 2019 by walley