UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'op+YgOl0VZ4ZdgTQY1BgtkOohp1Is+4EFmu+VRjmvPI=' 
WHERE 
  key_id = '479d6386ea75c5f778bac18ae8277cd18f1ba986cfe14e800119c31275733440' 
  AND (
    token = 'op+YgOl0VZ4ZdgTQY1BgtkOohp1Is+4EFmu+VRjmvPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )