UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'amJumi6ApG+emXTqxegMyZwQ+hYICrEEOESUzUDbzd0=' 
WHERE 
  key_id = '51cb89da08c5e04df0b916cc97457886d04c4273899ae6e813e97f86895ec154' 
  AND (
    token = 'amJumi6ApG+emXTqxegMyZwQ+hYICrEEOESUzUDbzd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )