UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j0obJr3mClEsIKbH6TbJyfAxjh8dDYo2rd1AZBF9UPc=' 
WHERE 
  key_id = '85f81441aef7078b624fbf3bd0267bcf555126ee364b66d2e856e5c17aeb7536' 
  AND (
    token = 'j0obJr3mClEsIKbH6TbJyfAxjh8dDYo2rd1AZBF9UPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )