UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hXBKIcj5nrsjvlI0wS+1KqGAM+KjME/7XlXtZNOKRIQ=' 
WHERE 
  key_id = '5dcb246d4816bfeda0e96adfcfce6218641c0c2b48d73ea98f54e61f08da88b1' 
  AND (
    token = 'hXBKIcj5nrsjvlI0wS+1KqGAM+KjME/7XlXtZNOKRIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )