UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDMeld+XWZTcJGGq6BK+/1kk3x3U7WrkrA+k0KmbfIg=' 
WHERE 
  key_id = '4c86e811f2eba5dbba6705dfc6ca21a3b2e598e947b680a12dbbd08c3835616f' 
  AND (
    token = 'RDMeld+XWZTcJGGq6BK+/1kk3x3U7WrkrA+k0KmbfIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )