UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4azQFeb8lQoX1EP0GOb7aoOJKRvKHVKrzz0a3P74Fs=' 
WHERE 
  key_id = '6381aa25f4ef82789062de334e5ab8bb95de25288d1b9d52a39f26e701afd23a' 
  AND (
    token = 'c4azQFeb8lQoX1EP0GOb7aoOJKRvKHVKrzz0a3P74Fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )