Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '92433029215dd19f73f39b3518a1d0f74330cb95b15b199f0835cf8e243f7783' 
  AND token = 'tlwkNn5f96bCWVeUHh0wAP7jD0kKu76b1rSAt3jYVZU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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