SELECT 
  b.*, 
  d.*, 
  c.* 
FROM 
  cscart_bm_blocks as b 
  LEFT JOIN cscart_bm_blocks_descriptions as d ON b.block_id = d.block_id 
  LEFT JOIN cscart_bm_blocks_content as c ON b.block_id = c.block_id 
  AND d.lang_code = c.lang_code 
WHERE 
  b.block_id = 62 
  AND d.lang_code = 'tr' 
  AND (
    (
      c.object_id = 1150 
      AND c.object_type like 'products'
    ) 
    OR (
      c.object_id = 0 
      AND c.object_type like ''
    )
  ) 
ORDER BY 
  snapping_id DESC 
LIMIT 
  1

Query time 0.00030

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE b const PRIMARY PRIMARY 4 const 1
1 SIMPLE d const PRIMARY PRIMARY 10 const,const 1
1 SIMPLE c ref PRIMARY PRIMARY 4 const 1 Using where

Result

block_id type properties company_id storefront_id lang_code name snapping_id object_id object_type content
62 products a:5:{s:8:"template";s:61:"addons/product_variations/blocks/products/variations_list.tpl";s:46:"product_variations.hide_add_to_wishlist_button";s:1:"N";s:23:"hide_add_to_cart_button";s:1:"N";s:36:"product_variations.show_product_code";s:1:"Y";s:44:"product_variations.show_variation_thumbnails";s:1:"Y";} 0 1 tr Varyasyon listesi 0 0 a:1:{s:5:"items";a:3:{s:7:"filling";s:37:"product_variations.variations_filling";s:5:"limit";s:3:"100";s:19:"variations_in_stock";s:1:"N";}}