SELECT 
  param, 
  param_3 
FROM 
  cscart_static_data 
WHERE 
  param_5 = '1' 
  AND section = 'A'

Query time 0.00019

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_static_data",
      "access_type": "ALL",
      "possible_keys": ["section"],
      "rows": 40,
      "filtered": 100,
      "attached_condition": "cscart_static_data.param_5 = '1' and cscart_static_data.section = 'A'"
    }
  }
}