SELECT 
  ctl.object_id as video_id, 
  GROUP_CONCAT(
    DISTINCT ct.tag 
    ORDER BY 
      ct.tag ASC SEPARATOR ', '
  ) as tags 
FROM 
  cscart_tag_links ctl 
  LEFT JOIN cscart_tags ct ON ct.tag_id = ctl.tag_id 
WHERE 
  ctl.object_id IN (
    2045, 2046, 2047, 2040, 2041, 2038, 2026, 
    2028, 2018, 2020
  ) 
GROUP BY 
  ctl.object_id

Query time 0.00091

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "30.64"
    },
    "grouping_operation": {
      "using_filesort": false,
      "nested_loop": [
        {
          "table": {
            "table_name": "ctl",
            "access_type": "range",
            "possible_keys": [
              "PRIMARY",
              "tag_id",
              "ids",
              "idx_tag_links_object_id"
            ],
            "key": "idx_tag_links_object_id",
            "used_key_parts": [
              "object_id"
            ],
            "key_length": "4",
            "rows_examined_per_scan": 54,
            "rows_produced_per_join": 54,
            "filtered": "100.00",
            "using_index": true,
            "cost_info": {
              "read_cost": "6.34",
              "eval_cost": "5.40",
              "prefix_cost": "11.74",
              "data_read_per_join": "864"
            },
            "used_columns": [
              "tag_id",
              "object_type",
              "object_id"
            ],
            "attached_condition": "(`cscart_db`.`ctl`.`object_id` in (2045,2046,2047,2040,2041,2038,2026,2028,2018,2020))"
          }
        },
        {
          "table": {
            "table_name": "ct",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "tag_id"
            ],
            "key_length": "3",
            "ref": [
              "cscart_db.ctl.tag_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 54,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "13.50",
              "eval_cost": "5.40",
              "prefix_cost": "30.64",
              "data_read_per_join": "41K"
            },
            "used_columns": [
              "tag_id",
              "tag"
            ]
          }
        }
      ]
    }
  }
}

Result

video_id tags
2018 #all skin types, #Even Skin Tone, #pigmentation, diabetes, immunity booster, respiratory health
2020 #acne, #brightening, #Dull Skin, #Even Skin Tone, #Skin Hydration, diabetes, immunity booster, respiratory health
2026 #all skin types, #anti-ageing, #brightening, #pigmentation, #Skin Hydration
2028 #all skin types, #brightening, #Lifestyle Concerns, #pigmentation, #Skin Hydration
2038 #all skin types, #brightening, #Lifestyle Concerns, #pigmentation, #Skin Hydration
2040 #all skin types, #Even Skin Tone, #Skin Hydration
2041 #acne, #all skin types, #Dull Skin, #General Wellness, #Skin Hydration
2045 #all skin types, #brightening, #Even Skin Tone, #pigmentation, #Skin Hydration
2046 #all skin types, #brightening, #Dull Skin, #Even Skin Tone, damaged hair, Heat Damaged, Shiny & Lustrous Hair
2047 #all skin types, #anti-ageing, #brightening, #pigmentation, #Skin Hydration