Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8067abde77238ea6d3ae5c61ec4abd39733b247414bc68ba8dfd18b24efbdc25' 
  AND token = 'j5+KjU54fO7HICMoqUpnkTjPD9n/QE/VntdKDjNHmEs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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