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SELECT 
  id, 
  ending_timestamp, 
  starting_timestamp 
FROM 
  cscart_auction 
WHERE 
  `product_id` = 1006 
  AND `status` = 'A' 
  AND `buy` = 'no' 
  AND `auto_win` = 0

Query time 0.00039

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}