SELECT 
  cscart_bm_snapping.snapping_id, 
  cscart_bm_snapping.status 
FROM 
  cscart_bm_snapping 
  LEFT JOIN cscart_bm_blocks ON cscart_bm_blocks.block_id = cscart_bm_snapping.block_id 
WHERE 
  cscart_bm_snapping.grid_id IN (45, 46, 47, 48, 49, 50, 51) 
  AND cscart_bm_blocks.type = 'lite_checkout_terms_and_conditions'

Query time 0.00058

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "44.37"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_bm_snapping",
          "access_type": "ALL",
          "possible_keys": [
            "grid_id"
          ],
          "rows_examined_per_scan": 99,
          "rows_produced_per_join": 18,
          "filtered": "18.18",
          "cost_info": {
            "read_cost": "19.17",
            "eval_cost": "3.60",
            "prefix_cost": "22.77",
            "data_read_per_join": "13K"
          },
          "used_columns": [
            "snapping_id",
            "block_id",
            "grid_id",
            "status"
          ],
          "attached_condition": "(`satishecarter_march_003`.`cscart_bm_snapping`.`grid_id` in (45,46,47,48,49,50,51))"
        }
      },
      {
        "table": {
          "table_name": "cscart_bm_blocks",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "block_id"
          ],
          "key_length": "4",
          "ref": [
            "satishecarter_march_003.cscart_bm_snapping.block_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "10.00",
          "cost_info": {
            "read_cost": "18.00",
            "eval_cost": "0.36",
            "prefix_cost": "44.37",
            "data_read_per_join": "403"
          },
          "used_columns": [
            "block_id",
            "type"
          ],
          "attached_condition": "(`satishecarter_march_003`.`cscart_bm_blocks`.`type` = 'lite_checkout_terms_and_conditions')"
        }
      }
    ]
  }
}