UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51n8V7ZdZHw3QbNv2M+o4CtJ6davUBXktam8ptqA0Jo=' 
WHERE 
  key_id = 'c9e766b6722e767fab1c36bce112fd3e621bb23e6a59bdcd4ddb032b863d0825' 
  AND (
    token = '51n8V7ZdZHw3QbNv2M+o4CtJ6davUBXktam8ptqA0Jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )