[Mattakil]

pawn Code:

PlayerInfo[playa][pJailTime] = time*60;

to

pawn Code:

PlayerInfo[playa][pJailTime] = time;

add

pawn Code:

unjail = SetTimerEx("OnPlayerJailUpdate", 1000, true, "i", playa);

Don't forget to define unjail in your script!

pawn Code:

forward OnPlayerJailUpdate(playerid);
public OnPlayerJailUpdate(playerid)
{
    if(PlayerInfo[playerid][pJailTime] == 0)
    {
        KillTimer(unjail);
        //unjail stuff here!
    }
    else
    {
        PlayerInfo[playerid][pJailTime] --;
        return 1;
    }
    return 1;
}