UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4UowcmseGBK+PY1zfqTfI9GxhFXgfQ0hejXuXJUcAs=' 
WHERE 
  key_id = '6aa912d21b039e11acbec20a492c7b3617bd0c8d4be6009c9f350e41c42f0582' 
  AND (
    token = 'U4UowcmseGBK+PY1zfqTfI9GxhFXgfQ0hejXuXJUcAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )