UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+LetAZ234yrLrZwgLCnGuwGnhBk6FJk5zFfGdg4GBOg=' 
WHERE 
  key_id = 'a679d08024a20d5e41ed73d7013795b9862ad17faa0f9ef499dfe2ab70c899cd' 
  AND (
    token = '+LetAZ234yrLrZwgLCnGuwGnhBk6FJk5zFfGdg4GBOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )