Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1311caef8655453d1e48eaf4b0984962ca903d47865ed59b8bd5ce3521d59383' 
  AND token = 'yja11ZvlI+f0p4O2eJ5m+a/7hUqcAmfUS8adDd/DXOg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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