UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eWZHxUyERDoEOfbvC7Czac1tl0gNxMfUeeoZYccDPYU=' 
WHERE 
  key_id = 'd21b6ea019be9ced62faeb806ae31081e112616facfb27e5709446f22ee384bb' 
  AND (
    token = 'eWZHxUyERDoEOfbvC7Czac1tl0gNxMfUeeoZYccDPYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )