UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+HE7NWi/yGzsxQ3+xwrSpIiqtCYTMdCfzijwC+0iZY=' 
WHERE 
  key_id = 'd2e0bae115ebda74fbd2a3feeb4cf02b89dc995ba0ed4b364f9b1e8f4cd99637' 
  AND (
    token = 'U+HE7NWi/yGzsxQ3+xwrSpIiqtCYTMdCfzijwC+0iZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )