UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PEjNwJsmDpsWQeWNwyUWQPjmHM0f3bDwO1g8DJ7S/mk=' 
WHERE 
  key_id = '0c28e06df9ea57b56551fdfefa8834d3ef24ef36a8369b7b23e1ef9236ba2201' 
  AND (
    token = 'PEjNwJsmDpsWQeWNwyUWQPjmHM0f3bDwO1g8DJ7S/mk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )