Yes its a good practice to use a "good" torque wrench. Over-torqueing the ring screws can over-crush the scope tube and damage it. Ring and base screws can also shear off if over-tightened.
But that said, the problem with many of the inexpensive torque wrenches is the inaccuracy of the setting. Torque wrenches can easily often be in error of +/- 5 inch pounds, or more.
The ring screw torque specs in my experience are usually 18 inch pounds or less, depending on the make. In my opinion, 18 inch pounds is often too much for a light weight scope, especially rimfire scopes. I usually torque at no more than 15 inch pounds, and sometimes as low as 12 inch pounds. Obviously this needs to be monitored for any slippage in high recoil rifles. If that scope is moving, obviously it should be torqued more. But be careful. It does not take much excess toque to dent a lightweight tube.
Regarding base screws, there is huge variation in manufacturer's specs, depending on the design and purpose of use. Heavy duty picatinny base screws for rings designed for high recoiling calibers are often spec'd for 50 inch pounds. But light weight bases meant for a 11mm rimfire rail base may be only 20-25 inch pounds depending on brand. Some of those lightweight scopes can have small diameter screws that would shear off easily with excess torque. For my 11mm rimfire bases I usually do not go past 20 inch pounds.
I had a Wheeler Fat Wrench, but I grew to dislike its sloppy tolerances. I replaced it with a Vortex torque wrench (screw driver) because it has individual increments of adjustability....on its dial. I still however do not trust the increments, especially at the lower toques for light duty screws. I am under no illusions that this $120 torque wrench is accurate in increments of single inch pounds.
I learned about torque wrench accuracy from a senior bicycle mechanic who works on high-end racing bike frames made of the strongest lightest tubes of wonder metal and carbon. He told me that they can easily destroy the bike with a wrong call on the torque, and the tolerances are very fine between not enough, and cracked and broken tubes. He says if you are not spending at least $1K on a torque wrench, you cannot trust it. He said his shop sends these super accurate torque wrenches back to the factory every year to be re-calibrated. They can afford to do that because they sell and tune extremely expensive racing bikes. Based on what these bicycle mechanics know and use, its obvious that our typical shooters torque wrenches are rather open-ended for accuracy.