SELECT 
  video_id, 
  product_id, 
  comment, 
  youtube_link, 
  position 
FROM 
  cscart_ult_product_videos 
WHERE 
  product_id = 556 
  AND company_id = 3 
ORDER BY 
  position

Query time 0.00026

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_ult_product_videos ALL 12 Using where; Using filesort