Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1da6d2c79aad7c85deeb8e7e6272b95862488c29de949113bbf911fdba60edcf' 
  AND token = '2PDef6VAFEM9NRFtv/vcqC1m5xnentWlGleo6SXfx/w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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