The ornamental design for a magnetic keylock, as shown and described.
FIG. 1 is a first perspective view of a magnetic key lock showing my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines shown in the drawings depict portions of the magnetic key lock in which the design is embodied that form no part of the claimed design.