UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCy4eiY1ntBB34EwwWvGMeUDB1oq7Heyh3rMh0Lfz6E=' 
WHERE 
  key_id = '8d12ade585df2134a6e8b449362e877970375270df7bd6ad82da706e25c20390' 
  AND (
    token = 'PCy4eiY1ntBB34EwwWvGMeUDB1oq7Heyh3rMh0Lfz6E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )