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SELECT 
  tmall_product_feature_variant_descriptions.variant, 
  tmall_product_feature_variants.variant_id, 
  tmall_product_feature_variants.feature_id, 
  tmall_product_features_values.variant_id as selected, 
  tmall_product_features.feature_type, 
  tmall_product_feature_variants.color, 
  tmall_product_features_values.value_int, 
  tmall_product_feature_variants.abt__ut2_multicolor, 
  tmall_product_feature_variants.abt__ut2_color_style 
FROM 
  tmall_product_feature_variants 
  LEFT JOIN tmall_product_feature_variant_descriptions ON tmall_product_feature_variant_descriptions.variant_id = tmall_product_feature_variants.variant_id 
  AND tmall_product_feature_variant_descriptions.lang_code = 'en' 
  INNER JOIN tmall_product_features_values ON tmall_product_features_values.variant_id = tmall_product_feature_variants.variant_id 
  AND tmall_product_features_values.lang_code = 'en' 
  AND tmall_product_features_values.product_id = 248 
  AND tmall_product_features_values.feature_id = tmall_product_feature_variants.feature_id 
  LEFT JOIN tmall_product_features ON tmall_product_features.feature_id = tmall_product_feature_variants.feature_id 
WHERE 
  1 
  AND tmall_product_feature_variants.feature_id IN (
    23, 21, 29, 28, 26, 25, 27, 36, 35, 32, 31, 
    42, 45, 44, 43
  ) 
GROUP BY 
  tmall_product_feature_variants.variant_id 
ORDER BY 
  tmall_product_feature_variants.position, 
  tmall_product_feature_variant_descriptions.variant

Query time 0.00824

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.148599656,
    "filesort": {
      "sort_key": "tmall_product_feature_variants.position, tmall_product_feature_variant_descriptions.variant",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "tmall_product_features_values",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "fl",
                "variant_id",
                "lang_code",
                "product_id",
                "fpl",
                "idx_product_feature_variant_id"
              ],
              "key": "product_id",
              "key_length": "3",
              "used_key_parts": ["product_id"],
              "ref": ["const"],
              "loops": 1,
              "rows": 39,
              "cost": 0.048911433,
              "filtered": 99.73403931,
              "attached_condition": "tmall_product_features_values.product_id <=> 248 and tmall_product_features_values.lang_code = 'en'"
            }
          },
          {
            "table": {
              "table_name": "tmall_product_feature_variants",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY", "feature_id"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["variant_id"],
              "ref": ["tmall.tmall_product_features_values.variant_id"],
              "rowid_filter": {
                "range": {
                  "key": "feature_id",
                  "used_key_parts": ["feature_id"]
                },
                "rows": 58,
                "selectivity_pct": 31.86813187
              },
              "loops": 38.8962766,
              "rows": 1,
              "cost": 0.056414282,
              "filtered": 31.86813164,
              "attached_condition": "tmall_product_feature_variants.feature_id = tmall_product_features_values.feature_id and tmall_product_feature_variants.feature_id in (23,21,29,28,26,25,27,36,35,32,31,42,45,44,43)"
            }
          },
          {
            "table": {
              "table_name": "tmall_product_features",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["feature_id"],
              "ref": ["tmall.tmall_product_features_values.feature_id"],
              "loops": 12.39551672,
              "rows": 1,
              "cost": 0.021636971,
              "filtered": 100
            }
          },
          {
            "table": {
              "table_name": "tmall_product_feature_variant_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["variant_id", "lang_code"],
              "ref": ["tmall.tmall_product_features_values.variant_id", "const"],
              "loops": 12.39551672,
              "rows": 1,
              "cost": 0.021636971,
              "filtered": 100,
              "attached_condition": "trigcond(tmall_product_feature_variant_descriptions.lang_code = 'en')"
            }
          }
        ]
      }
    }
  }
}

Result

variant	variant_id	feature_id	selected	feature_type	abt__ut2_color_style
1.23 TFLOPs	142	27	142	S	default
1.75 GHz	143	28	143	S	default
500 GB	139	23	139	S	default
8-core AMD	144	29	144	S	default
8192 MB, DDR3	140	25	140	S	default
BD (Blu-ray Disc)	159	43	159	S	default
Black	161	45	161	S	default
Blu-ray	150	35	150	M	default
CD	154	35	154	M	default
DVD	151	35	151	M	default
DVD R	152	35	152	M	default
DVD RW	153	35	153	M	default
Ethernet	149	32	149	M	default
HDMI	145	31	145	M	default
HDMI cable	157	42	157	M	default
Headset	156	42	156	M	default
integrated AMD Radeon GPU	141	26	141	S	default
optical audio output	147	31	147	M	default
stationary	137	21	137	S	default
USB cable	158	42	158	M	default
USB x2	146	31	146	M	default
Wi-Fi (802.11b/g/n)	148	32	148	M	default
WMA	155	36	155	M	default
Xbox One	160	44	160	M	default