UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUpOtMuxNhcoLrJO7ncE1gmItv2h805MIUisH0SpMzg=' 
WHERE 
  key_id = '087e662c36714b8d814abc771b897160d2eeabb785d61eb498d802b078597d45' 
  AND (
    token = 'mUpOtMuxNhcoLrJO7ncE1gmItv2h805MIUisH0SpMzg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )