UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6NBU5C5uIbic2MiF8nd6yn6iXjB9+sUe/sdXSeOY1o=' 
WHERE 
  key_id = '0d59bfa8b6288dbb695f9f9adda6617ebfc19b1e4a832f3262f8790e199b6814' 
  AND (
    token = '/6NBU5C5uIbic2MiF8nd6yn6iXjB9+sUe/sdXSeOY1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )