UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LNWN6S0nExExhOowrKkj/XJxQGEKk9xbziJDLxt+lZQ=' 
WHERE 
  key_id = '8db53db0900221e3ec91ac4b097a0793ebbc4fade552e87be1b0306e143fd462' 
  AND (
    token = 'LNWN6S0nExExhOowrKkj/XJxQGEKk9xbziJDLxt+lZQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )