Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '24c552897d8f9210c44f8f7a61cdd3587224271d32b007f9ea68d7d1e8008616' 
  AND token = 'jQ8HZ8Q7+mSpFwc+QA/4kfr1LufECFkO/sfIYfrMnbY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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