UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V//2hynEc8gB/zYTsn7qygoS+aoVPurACccXF/MetQY=' 
WHERE 
  key_id = '541a81bd73e324c7272f5c5ef8b9b72161c64471c51d5710fd73e5690296aa0a' 
  AND (
    token = 'V//2hynEc8gB/zYTsn7qygoS+aoVPurACccXF/MetQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )