UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nQxm1px9rqzPPwywnJW7eAWinqDbaQppHeuOluhLxpM=' 
WHERE 
  key_id = 'b68bca43bf079cd4624e08d819175b9be558c922e08508cb00e5117a59ae5e13' 
  AND (
    token = 'nQxm1px9rqzPPwywnJW7eAWinqDbaQppHeuOluhLxpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )