Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '34b69a8fd80ffd7ddb700ccd0f3162315cbe6c6c357a76114137aa8c6066d725' 
  AND token = 'KOUbC237WENcv1zA2GWOCO6JJRFkVLAEr6E5LkLBXl4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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