SELECT 
  a.*, 
  b.option_name, 
  b.internal_option_name, 
  b.option_text, 
  b.description, 
  b.inner_hint, 
  b.incorrect_message, 
  b.comment 
FROM 
  cscart_product_options as a 
  LEFT JOIN cscart_product_options_descriptions as b ON a.option_id = b.option_id 
  AND b.lang_code = 'en' 
WHERE 
  a.product_id IN (
    48275, 48812, 49606, 48939, 50039, 48271, 
    48270, 4069, 48266, 48269, 49151, 48264, 
    48273, 48265, 48267, 48274, 49150, 
    49148, 48268, 50045, 49830, 49737, 
    49734, 49735, 49736, 50163, 50135, 
    50349, 50348, 49937, 50051, 50345
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position

Query time 0.00112

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "read_sorted_file": {
          "filesort": {
            "sort_key": "a.position",
            "table": {
              "table_name": "a",
              "access_type": "range",
              "possible_keys": ["c_status"],
              "key": "c_status",
              "key_length": "6",
              "used_key_parts": ["product_id", "status"],
              "rows": 32,
              "filtered": 100,
              "index_condition": "a.product_id in (48275,48812,49606,48939,50039,48271,48270,4069,48266,48269,49151,48264,48273,48265,48267,48274,49150,49148,48268,50045,49830,49737,49734,49735,49736,50163,50135,50349,50348,49937,50051,50345) and a.`status` = 'A'"
            }
          }
        }
      },
      {
        "table": {
          "table_name": "b",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "9",
          "used_key_parts": ["option_id", "lang_code"],
          "ref": ["dev_db.a.option_id", "const"],
          "rows": 1,
          "filtered": 100,
          "attached_condition": "trigcond(b.lang_code = 'en')"
        }
      }
    ]
  }
}