Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '527904e99de987d03053cd793905e52a86169c373e27ea904accd945c85904e7' 
  AND token = '456IB2QOUvGN8mHdcbDNDO9nKZ2zSHfbZ5gc9Mos7dw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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