Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cafc5c12b8e95f1fb759fdea60e54b48dd896b88282cdf1f353a36258c6baf8f' 
  AND token = 'vAsPqkFKsqn3WO8s9v2pb+EG26MEcybsJXz+kxoe7oo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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