UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uq2fikE9cKL6GgeQQIf5RAESfzkzD4BMSmWZ6rPX6HY=' 
WHERE 
  key_id = '91fb80fd99dd7914b98dc696b7390797d4517fb662ac9009159a0de1885eee22' 
  AND (
    token = 'Uq2fikE9cKL6GgeQQIf5RAESfzkzD4BMSmWZ6rPX6HY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )