UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'giBl31HaocW22eK9j1aG1J3VCtplbMeH5N0NxTkaGys=' 
WHERE 
  key_id = '9ebc25bf42ff126f54dca50e9a8df8dc7bb050a46796f6511a256b84f96c5803' 
  AND (
    token = 'giBl31HaocW22eK9j1aG1J3VCtplbMeH5N0NxTkaGys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )