UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHPedf3649iKOjWpGN+nHWlOVxQZ0Jj7mguTBYBj+CA=' 
WHERE 
  key_id = '1cfecd3a718f46166ff23f4f4db4ac7ccbda831da84bcac85734ffa1679ed7f8' 
  AND (
    token = 'CHPedf3649iKOjWpGN+nHWlOVxQZ0Jj7mguTBYBj+CA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )