Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '11ee269e9cbab7f76392b3f7deb29c44aa45142c25fcea8c8033585dbfa01562' 
  AND token = '/HE43HPw1OfO8NbRojqgV8MtJ1jIXTudg9jym7wStsE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00118

JSON explain

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