UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z1NKBG+i4yYiN8li9B5KmW849/Yvz4Hos5NqK++pxjI=' 
WHERE 
  key_id = '50c6038da292bf0aa9ca684c33563cac2369fa0c126a06b30e70343c34c049f6' 
  AND (
    token = 'z1NKBG+i4yYiN8li9B5KmW849/Yvz4Hos5NqK++pxjI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )