UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4WxGv1upCSLKZBTEQkJi8a7sOD+R6Da1iOeGEDQhLM=' 
WHERE 
  key_id = '39e6f23bbddbdee1a8ad821407188a0c96d9aa2d7e2b72e320f98a8638930d51' 
  AND (
    token = 'c4WxGv1upCSLKZBTEQkJi8a7sOD+R6Da1iOeGEDQhLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )