select * from data where sn='meteo2' and pq='temp' order by id desc limit 4
idsntspqvaluesystemts
22759078 meteo2 temp 20.12 1563673707 Sun 21 07 2019 03:48:27
22759077 meteo2 temp 20.19 1563673107 Sun 21 07 2019 03:38:27
22759074 meteo2 temp 20.19 1563672507 Sun 21 07 2019 03:28:27
22759072 meteo2 temp 20.25 1563671907 Sun 21 07 2019 03:18:27

Sun Jul 21 04:14:04 2019 by walley