UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfHoYl2f9kqaiuBAVhm4DQ1wdSpuhbWNbmoAT4W/2BY=' 
WHERE 
  key_id = '9fb3d9e40421984d741732241f86062b8af6c2fe7e6b100ad4d360c23d510eb2' 
  AND (
    token = 'zfHoYl2f9kqaiuBAVhm4DQ1wdSpuhbWNbmoAT4W/2BY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )