Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '9f9e1fd3524a6ccb745b04abf407c29f720fc025864b16c5b509de36690abcbb' 
  AND token = 'HX/eEjHVmGaR34zgo4Aopo5xldEUjUXtKPu9Pql3DTM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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