UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15neY/KjIlg/Z79l+YHRl+c+ubVzywdtH/A556WOBLw=' 
WHERE 
  key_id = '1f171f87794ced63912f652e8a156538cae1cdf02340288101b7d558dd92819b' 
  AND (
    token = '15neY/KjIlg/Z79l+YHRl+c+ubVzywdtH/A556WOBLw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )