UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3gb2KyI4KEv9die3ya6q3VDQt4x3AJ0A2bJqRCBzlls=' 
WHERE 
  key_id = 'b6ffff3742d08ed597a165832d5cd309188944da20070d23ef83d594b8a5bb86' 
  AND (
    token = '3gb2KyI4KEv9die3ya6q3VDQt4x3AJ0A2bJqRCBzlls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )