The timer goes below a minute and Locke complies by unlocking the armory and then dashing for the computer. By the time he unlocks the door, there were only ten seconds. He begins typing the code.
When the timer falls below one minute, Locke springs into action, unlocking the armory and racing to the computer. By the time he swings open the door, there's just a handful of seconds left; he dives in and begins typing the password.