UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xm4ZQi626kZ8BOBWXOtWmoDIBAKD3H9zOXz+xy450n0=' 
WHERE 
  key_id = '0a4bbb4d3b71770e4b85aca0d510ed6922a7658efce86ae1508a25fe8f0fae04' 
  AND (
    token = 'xm4ZQi626kZ8BOBWXOtWmoDIBAKD3H9zOXz+xy450n0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )