UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xB++VlFePMxclgIsWSTjgCA6d300pNyAg0XU9dPgiZ0=' 
WHERE 
  key_id = '49f5e7441e070e1e88d8b83866db8a896128bf5714f1b92be58bc0f1ed7f3ff7' 
  AND (
    token = 'xB++VlFePMxclgIsWSTjgCA6d300pNyAg0XU9dPgiZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )