Yes, they have egress locks activated by magnet that locks the wheels, or they have another physical lock system, at each pedestrian exit to the car-park of my local supermarket -- that's one reason they are really inconvenient for pedestrians accessing the site, they want to have trolley controls.
The exits are narrow with soft soil and low hedges bordering the paths. You can lift a trolley over, but you need some muscle, especially if your trolley is full of shopping.
Push the cart quickly enough and you can defeat the magnetic locking mechanism. Just push it really fast past the boundary where it would lock and keep going until you’re out of range.
Dunno if that still works, but I enjoyed defeating the locking mechanism at Safeway when I was a kid even though I didn’t even want the shopping cart.
The exits are narrow with soft soil and low hedges bordering the paths. You can lift a trolley over, but you need some muscle, especially if your trolley is full of shopping.