UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wtz3JkMdRlnJKIyPr3IsGNOHs4WkhdEdYLzMJa+OxQ=' 
WHERE 
  key_id = '83689d35f6e7f08efcde334779d717a278a1891ad5c6a8da1076008a14b934c0' 
  AND (
    token = '6wtz3JkMdRlnJKIyPr3IsGNOHs4WkhdEdYLzMJa+OxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )