Where is the blue key card?

Hint 1 of 5:

The blue card will open the first door you encounter after getting out of the
cell.

Hint 2 of 5:

Once you explore a bit, you'll notice that a demolished wall.

Hint 3 of 5:

Go in that area, and look around.

Hint 4 of 5:

Those cogs look like they could support a human.

Hint 5 of 5:

Jump on them, and explore the platforms.