select * from data where sn='meteo2' order by id desc limit 4
idsntspqvaluesystemts
29374874 meteo2 temp 10.94 1576437059 Sun 15 12 2019 20:10:59
29374873 meteo2 temp 11.00 1576436459 Sun 15 12 2019 20:00:59
29374872 meteo2 temp 11.19 1576433456 Sun 15 12 2019 19:10:56
29374871 meteo2 temp 11.06 1576434652 Sun 15 12 2019 19:30:52

Sun Dec 15 22:06:12 2019 by walley