SELECT 
  profile_fields_data.field_id, 
  profile_fields_data.value, 
  profile_fields.field_type 
FROM 
  cscart_profile_fields_data AS profile_fields_data 
  LEFT JOIN cscart_profile_fields AS profile_fields ON profile_fields_data.field_id = profile_fields.field_id 
WHERE 
  object_id = 163 
  AND object_type = 'U'

Query time 0.00036

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "33.34"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "profile_fields_data",
          "access_type": "ref",
          "possible_keys": [
            "idx_entire_row",
            "idx_obj_objtyp"
          ],
          "key": "idx_obj_objtyp",
          "used_key_parts": [
            "object_id",
            "object_type"
          ],
          "key_length": "6",
          "ref": [
            "const",
            "const"
          ],
          "rows_examined_per_scan": 60,
          "rows_produced_per_join": 60,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "6.34",
            "eval_cost": "6.00",
            "prefix_cost": "12.34",
            "data_read_per_join": "45K"
          },
          "used_columns": [
            "object_id",
            "object_type",
            "field_id",
            "value"
          ]
        }
      },
      {
        "table": {
          "table_name": "profile_fields",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "field_id"
          ],
          "key_length": "3",
          "ref": [
            "cscart_db.profile_fields_data.field_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 60,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "15.00",
            "eval_cost": "6.00",
            "prefix_cost": "33.34",
            "data_read_per_join": "61K"
          },
          "used_columns": [
            "field_id",
            "field_type"
          ]
        }
      }
    ]
  }
}

Result

field_id value field_type
0 28/11/1984
51 1 S
53 5 S
54 32 K
54 33 K
54 37 K
54 90 K
54 91 K
54 93 K
55 54 S
56 18 K
56 19 K
56 21 K
56 56 K
61 I
65 48 S
66 MilaCurates I
67 S
68 https://youtube.com/@milacurates?si=zGuGtlbGdNBwzd7U I
72 74 S
73 S
74 S
75 S
76 S
77 Y C
78 88 K
78 89 K
81 99 S
82 102 K
82 103 K
82 104 K
82 105 K
83 Y C
84 108 K
85 110 K
86 112 K
86 114 K
87 S
88 126 K
88 127 K
89 131 K
89 133 K
89 134 K
89 135 K
89 136 K
89 137 K
89 138 K
90 143 S
91 148 S
92 150 S
93 154 S
94 S
95 159 S
97 I
98 165 K
99 171 S
100 S
101 176 S
102 678652200 D
103 I