UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Laxdmz0GiHG1WohdnnMyqcOZ1VJbE9tnE6gwkb05+fU=' 
WHERE 
  key_id = 'bed199f765d8cedc9c2d4c9d6c9bf684a581108d04493f976b1101eb1b7e31d4' 
  AND (
    token = 'Laxdmz0GiHG1WohdnnMyqcOZ1VJbE9tnE6gwkb05+fU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )