UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cj5iMLxKlOnMRg79T/jE+U+XZDk0EppD+UmdQ5Dp580=' 
WHERE 
  key_id = '7c897dbb0f97bd544c926fd029eb585fb64ff669dbf4abbeb690af3da26c9ad6' 
  AND (
    token = 'cj5iMLxKlOnMRg79T/jE+U+XZDk0EppD+UmdQ5Dp580=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )