UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'djaOIauilYhqd7Qsz2bzVVAr87U0cdt3/OGUTybzRGw=' 
WHERE 
  key_id = '68e81595b76c50b6c79819035a140edbbc71d4e713c5e0c0206396389cd27831' 
  AND (
    token = 'djaOIauilYhqd7Qsz2bzVVAr87U0cdt3/OGUTybzRGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )