UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eW9uHW0gStd6UiZm6UfUUNeaIeLjSuOb8FvQ3Y9NEhM=' 
WHERE 
  key_id = 'e4a91d5a761cc13343223249a4ee99581c684265147bccf6016d33d915956a32' 
  AND (
    token = 'eW9uHW0gStd6UiZm6UfUUNeaIeLjSuOb8FvQ3Y9NEhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )