UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUC2CVzMDaV3mFTd3nBywoiaOd1FTGqRjD3ehw2jApc=' 
WHERE 
  key_id = '46d7d35b8a6e626c87be94ce521505c063784031cf394e83243b269963be6e5e' 
  AND (
    token = 'nUC2CVzMDaV3mFTd3nBywoiaOd1FTGqRjD3ehw2jApc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )