Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '561225c191940ee2f854e33beadb73160e6b2088823384f1c387c905981ce006' 
  AND token = 'i91JpVfboOXRCIMMIILSYECn9z8Lsd+LXgkrMA/t0zw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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