Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'cac026c40e84c566fac553e83be9792a722d2cfa72aebb04098f14f48001fc40' 
  AND token = 'O34LNd4CesNe+2adatuhnj9ne1a4QKPvd2Ko8Z0s/wU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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