UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oMFhSl2L7bZ1l2g+CQWa5f25ZtwHGveRjRlu4AzRznY=' 
WHERE 
  key_id = '6dbdfdf2112a872978438bc38d727cd75818b499243b8909d8525219b67f5ea6' 
  AND (
    token = 'oMFhSl2L7bZ1l2g+CQWa5f25ZtwHGveRjRlu4AzRznY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )