UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4jJKTZHKlftC4YW0KqBWH5VC2OwJBs5CmfD6pez1zAg=' 
WHERE 
  key_id = '50ddea4623f3918c97099bd33633e8cbb408cebc2826dcfe60d34cb9f03d5f9c' 
  AND (
    token = '4jJKTZHKlftC4YW0KqBWH5VC2OwJBs5CmfD6pez1zAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )