nalashtuvannya to you pidide, in the meaning write like "0", then it is not processed.
for example, rob the dodfield for the product "Do not update"
dalі in your products, if you need to update, in which dodfield put the value "1" (all other products must have the value 0 or nothing)
then in diї https://prnt.sc/wk63ss
choose the same dodfield and put the value "1"
all - the system searches for goods in any 1 and updates. інші without value - ні