Or if you're not a distance runner yet, it's okay to jog slow and take frequent walk breaks. In a lot of ways, volume is way more important than intensity.
My healthcare plan gave me a watch that reminds me to walk 500 steps every hour or so, and a daily goal of walking 10000 steps. That small nudge has made me way more consistent, because I'm a cheap asshole who likes the idea of saving $3 on my healthcare plan every day.
There was a study that says you make better car buying decisions if you do a crossword puzzle instead of sit there and think about buying a car. Same thing goes for technical tasks. I'm more productive if I walk around frequently, forget about my problems and come back to them with a clear head.
How often have you saved a day's worth of hard work by just doing something a slightly smarter way?
Walks give your subconscious brain time to chew through problems and solve them while you're not actively thinking about them.
I hope you get that new job. Having a non-toxic environment is more important than almost every other factor and I strongly recommend everyone leave their toxic jobs if at all possible.