SELECT 
  cscart_promotions.*, 
  cscart_promotion_descriptions.name, 
  cscart_promotion_descriptions.detailed_description, 
  cscart_promotion_descriptions.short_description, 
  cscart_promotion_images.promotion_image_id 
FROM 
  cscart_promotions 
  LEFT JOIN cscart_promotion_descriptions ON cscart_promotion_descriptions.promotion_id = cscart_promotions.promotion_id 
  AND cscart_promotion_descriptions.lang_code = 'en' 
  LEFT JOIN cscart_storefronts_promotions AS storefronts_promotions ON storefronts_promotions.promotion_id = cscart_promotions.promotion_id 
  LEFT JOIN cscart_promotion_images ON cscart_promotion_images.promotion_id = cscart_promotions.promotion_id 
  AND cscart_promotion_images.lang_code = 'en' 
WHERE 
  1 
  AND status IN ('A') 
  AND (
    storefronts_promotions.storefront_id = 1 
    OR storefronts_promotions.storefront_id IS NULL
  ) 
  AND cscart_promotions.company_id != 0 
  AND cscart_promotions.promotion_id NOT IN (25, 26, 27) 
  AND 1 
ORDER BY 
  (
    IF(from_date > 1741888641, 1, 0) + IF(
      to_date 
      AND to_date < 1741888641, 
      2, 
      0
    )
  ) asc, 
  ABS(
    (
      IF(
        from_date > 1741888641, from_date, 
        to_date
      )/-1
    ) + 1741888641
  ) asc 
LIMIT 
  0, 12

Query time 0.00032

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "storefronts_promotions",
      "access_type": "system",
      "possible_keys": ["PRIMARY", "idx_storefront_id"],
      "rows": 0,
      "filtered": 0,
      "const_row_not_found": true
    },
    "read_sorted_file": {
      "filesort": {
        "sort_key": "if(cscart_promotions.from_date > 1741888641,1,0) + if(cscart_promotions.to_date <> 0 and cscart_promotions.to_date < 1741888641,2,0), abs(if(cscart_promotions.from_date > 1741888641,cscart_promotions.from_date,cscart_promotions.to_date) / -1 + 1741888641)",
        "table": {
          "table_name": "cscart_promotions",
          "access_type": "ALL",
          "possible_keys": ["PRIMARY"],
          "rows": 7,
          "filtered": 100,
          "attached_condition": "cscart_promotions.`status` = 'A' and cscart_promotions.company_id <> 0 and cscart_promotions.promotion_id not in (25,26,27)"
        }
      }
    },
    "table": {
      "table_name": "cscart_promotion_images",
      "access_type": "eq_ref",
      "possible_keys": ["promo"],
      "key": "promo",
      "key_length": "10",
      "used_key_parts": ["promotion_id", "lang_code"],
      "ref": ["fluentmart_cscart.cscart_promotions.promotion_id", "const"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_promotion_images.promotion_id = cscart_promotions.promotion_id and cscart_promotion_images.lang_code = 'en')"
    },
    "table": {
      "table_name": "cscart_promotion_descriptions",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["promotion_id", "lang_code"],
      "ref": ["fluentmart_cscart.cscart_promotions.promotion_id", "const"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_promotion_descriptions.lang_code = 'en')"
    }
  }
}