UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mu1m4aft3qnP3z6VQJmR4BjCsdgD9hZqpHoQxyXidLk=' 
WHERE 
  key_id = '6a9b1edebaa99485514e97a9eca109495ef0a91c8c065ba327cc611b1fef271b' 
  AND (
    token = 'Mu1m4aft3qnP3z6VQJmR4BjCsdgD9hZqpHoQxyXidLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )