UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ql6PeU+7woOLd6EEwZQAfqZBDnT7nVnSkLILkzC56mc=' 
WHERE 
  key_id = '21fa2dd2c9322c338de4d4045735f62dcc6237a14d995642606dded573edfff4' 
  AND (
    token = 'ql6PeU+7woOLd6EEwZQAfqZBDnT7nVnSkLILkzC56mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )