Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '95ea156b0b656448abe5ce8969a154ef3be69af885b8f32cf6c31a1384f15a6c' 
  AND token = 'Q1pXuhTO8fhC3gkn/2YSA4MWyTOQgjc0KZEKqSyVZlk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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