UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XmiJfrusrGfSGw/127thQisqlcw7mWBpHxeccFe2rCU=' 
WHERE 
  key_id = '615eb69018c4defacfa96b1a2601c6310851d13a210727b6bcc31439c9afb4e5' 
  AND (
    token = 'XmiJfrusrGfSGw/127thQisqlcw7mWBpHxeccFe2rCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )