UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cAT3PZshK4qxJNzHgcflP6tHJBzaSvZ4wNgyuBEo/ac=' 
WHERE 
  key_id = '554cd79d676cd0d6755894581535315cd042e98f53da824bae782ab994d8b195' 
  AND (
    token = 'cAT3PZshK4qxJNzHgcflP6tHJBzaSvZ4wNgyuBEo/ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )