UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VdvgIf8zO7YvLDExh+hjPMCD7toz5rSTNOY7OKATQ2c=' 
WHERE 
  key_id = 'a68093ae0454bcc40a7c6786b4459da7c20bd56415214d432b2e22c4cb68fb52' 
  AND (
    token = 'VdvgIf8zO7YvLDExh+hjPMCD7toz5rSTNOY7OKATQ2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )