UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6YzBkXTocHv7sG9edDqRpW6hdpI3vwRdNmOOdFWb3E=' 
WHERE 
  key_id = '68876117b6c2936cffc6cb89def68255c5181295b46d5a0d04db66e52545ca22' 
  AND (
    token = 'u6YzBkXTocHv7sG9edDqRpW6hdpI3vwRdNmOOdFWb3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )