SELECT 
  search_phrases 
FROM 
  cscart_ab__search_motivation 
WHERE 
  company_id = 0 
  AND lang_code = 'vn' 
  AND TRIM(search_phrases) > ""

Query time 0.00022

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "3.59"
    },
    "table": {
      "table_name": "cscart_ab__search_motivation",
      "access_type": "ALL",
      "rows_examined_per_scan": 30,
      "rows_produced_per_join": 0,
      "filtered": "3.33",
      "cost_info": {
        "read_cost": "3.49",
        "eval_cost": "0.10",
        "prefix_cost": "3.59",
        "data_read_per_join": "31"
      },
      "used_columns": [
        "company_id",
        "lang_code",
        "search_phrases"
      ],
      "attached_condition": "((`kcoffee`.`cscart_ab__search_motivation`.`company_id` = 0) and (`kcoffee`.`cscart_ab__search_motivation`.`lang_code` = 'vn') and (trim(`kcoffee`.`cscart_ab__search_motivation`.`search_phrases`) > ''))"
    }
  }
}