UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lA/Xlt2sc3oces4kOS5LtesqFcICvQkel1mjtyVynEk=' 
WHERE 
  key_id = '798b40489d5e795ce740b906c55ed5e94ed383f93568c6b4c5331e03000bcc1b' 
  AND (
    token = 'lA/Xlt2sc3oces4kOS5LtesqFcICvQkel1mjtyVynEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )