Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e5154facffaf9290e719325472eefb9ce6935874c9ebf098cc6f53dd2b5a5f96' 
  AND token = 'Cu9GD0tplIWW9gUKPhO8/9L7dA6DOKSHCngyerCn0g8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00021

JSON explain

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