Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1ec928fa16756f53a3fb210a691c6a8efaa665a46f005d8c55e81fdf86c5b55f' 
  AND token = 'qjZZkUJjHXnN+W62ALqoL/0tPou4rWAITm1YCOQil5k=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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