UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83ruo2mz5Xcyzoy8XeWFMTKLfD3cx514DY7VCotUz9k=' 
WHERE 
  key_id = '2cf111a9f5db252a62430d7bf2c139b50cf14bf889f612a7f1ded7d50efd08e7' 
  AND (
    token = '83ruo2mz5Xcyzoy8XeWFMTKLfD3cx514DY7VCotUz9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )