UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VjBm+SvWi8zs/Eh8Xc9Wt4bX/YaifXNIdF9CniLCGFA=' 
WHERE 
  key_id = 'f66b9db0cec3dc792affc6fee6e80a51bd2ae1dbd3aa7c9420c12ade1e87a7a5' 
  AND (
    token = 'VjBm+SvWi8zs/Eh8Xc9Wt4bX/YaifXNIdF9CniLCGFA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )