UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2UtDxDJjXSH6HZLEuMoY0JMmCIYEEfuOuXahNTSstyw=' 
WHERE 
  key_id = '15acebdc389bd25976cafed577e11d414bea8429c90b8a7930875c30b1dc5acd' 
  AND (
    token = '2UtDxDJjXSH6HZLEuMoY0JMmCIYEEfuOuXahNTSstyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )