UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vl5bJLgvXhoduB+sjfSwTXXHOzCNzz9z1zVRwvuSIlg=' 
WHERE 
  key_id = '3b20765a2885528463800a8371c1333fbf69415343928c34c07ec1f62c1fec65' 
  AND (
    token = 'vl5bJLgvXhoduB+sjfSwTXXHOzCNzz9z1zVRwvuSIlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )