Complex sentence: If a player expends more than the specified delay, then the entire delay is added to the player's clock but if a player moves faster than the delay, only the exact amount of time expended by the player is added.
Split into simpler sentences: If a player expends more than the specified delay, then the entire delay is added to the player's clock. But if a player has moved faster than the time delay, only the exact amount of time expended by the player is added.