Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d0bea8c83a4bad4b43504fa8230c25772dae11bfc35bdc057196887810bf1e1' 
  AND token = 'vFvtJjENQ2cb0BmtiGgvvkPyntBRgw6InvdykGQWCVc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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