UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AKM4FHgcuUzd//wsPmIDPpYd6DB6PHQK3ujLje5E+Tg=' 
WHERE 
  key_id = '7faa1348b812e03f86f8a099586b22704d7b30a634a06b8b4ce7e44139ee2ba2' 
  AND (
    token = 'AKM4FHgcuUzd//wsPmIDPpYd6DB6PHQK3ujLje5E+Tg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )