UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P0JFfSUjUfmA5kEwAJtxVxsk4+NuqUm/0EOtCtc4/5Y=' 
WHERE 
  key_id = 'beef6173efa18a252f31581855c7f4e97fbd509e54afc8ce033e30fcdf00c2c2' 
  AND (
    token = 'P0JFfSUjUfmA5kEwAJtxVxsk4+NuqUm/0EOtCtc4/5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )