UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cb3T/e5VVJq0tak3PWo//QgHGRmIYTk3W+QzudJoBBg=' 
WHERE 
  key_id = '6e2644a5a0d3e20577208be79b31885daa686cf532746a4eb99b36b594a3263f' 
  AND (
    token = 'cb3T/e5VVJq0tak3PWo//QgHGRmIYTk3W+QzudJoBBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )