MSI afterburner settings: Power limit 49%, memory +1250mhz, some undevoltage settings: open frequency /voltage curve editor by presing ctrl+f and lock voltage on 750mV by clicking on square in line with 750mV on x ose then lock it by pressing L.
You will lower power consumption to around 116-117W and hashrate will be around 61 Mh/s.
Works on mine Gigabyte rtx 3070 gaming oc