UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tiuCxPt2ryrMGRZmwrBkd8BNNo2XoHGK6OFSZURYOO0=' 
WHERE 
  key_id = '91c615770e1bf14d2ad699f34f04632c7e4566d400e1a8bc274cf0fe9737a12b' 
  AND (
    token = 'tiuCxPt2ryrMGRZmwrBkd8BNNo2XoHGK6OFSZURYOO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )