UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PXiHhPQR6OPPXqxdI+4cZ9TqY8EukFW9syCkBmvEp3c=' 
WHERE 
  key_id = '0ab186d14c40a38b7b1f0baf09247972729e3988c1cac59af3dcd1dd3833c101' 
  AND (
    token = 'PXiHhPQR6OPPXqxdI+4cZ9TqY8EukFW9syCkBmvEp3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )