UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HPU7nMzM5r0EVb3kBWuHeG6sZ4JFnGCHSsf3AdfCUgg=' 
WHERE 
  key_id = '0f68da1e402b78f0e99994b90cdb241bf771ec9dadceca72b36eeeaf2fe9d472' 
  AND (
    token = 'HPU7nMzM5r0EVb3kBWuHeG6sZ4JFnGCHSsf3AdfCUgg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )