Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '832cb12351e229f3598d765c8040abbaa0f2a100f12d4bbbf0357ab99e22e5ad' 
  AND token = 'vX4oUd2KTUagY8fgN1B//kUj0quw/Ng7I74KbjCKFRA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00052

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}