Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '0e622c86cac8b0c0c90607fd881330fa69720ad4c3b57bdbefbfa4cfd42df35d' 
  AND token = 'gIplqbO8/8MWWXa2wvDMYe4KH/4e22DyZ2RpjWwKr1M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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