UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrX+GVH/7HLtYYTQTh96YOQwvDyd+BRaqqQK6ABhYlg=' 
WHERE 
  key_id = '951af94220ed3c8c804b8dbb950345c249a78f28807d1094b257c51e41dfa759' 
  AND (
    token = 'PrX+GVH/7HLtYYTQTh96YOQwvDyd+BRaqqQK6ABhYlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )