Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '32f68c969d96d84d15fd70d33e556fb6291101900a30992f3d979caec26b5c6d' 
  AND token = 'w+G3mdCGo24J1CAFKu5t8BHle5M1H61c8qHcBIwOUjc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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