Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5bd7eab990f46507c950d26cfb391da421c51e1b49a3ae4a7e1bda31f9fb632d' 
  AND token = 'JaWQe9vq3hWcoGKTGcE1jBIhDrV/Pn6ueWA3yEzJW9E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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