Complex sentence: If a match is unfinished when time expires, the result is a draw (this does not apply to limited overs cricket), except that if all batsmen have been dismissed "and" the totals are exctly equal, the match is a tie.
Split into simpler sentences: If a match is unfinished when time expires, the result is a draw (this does not apply to limited overs cricket). If all batsmen have been dismissed "and" the totals are exactly equal, the match is a tie.