Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '399f840ca7a6e3f1f74f4a8bab5532d2bd9ccd23192d01f8874ad879d6bea0b4' 
  AND token = 'rPZUza1Da9GoIGNy2Q/wg61D7Os5Fma4ha8HACi9BZU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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