UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5puJf/MtMqKu+cbKqqMsj8BuS5bHSgcm3X1e4iTrD+4=' 
WHERE 
  key_id = '397da92d774130533d151f7cd74001d45a1022e7729eda2a6681a52876a217df' 
  AND (
    token = '5puJf/MtMqKu+cbKqqMsj8BuS5bHSgcm3X1e4iTrD+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )