UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XxmuE6XcW3u4qQg8/hmuNmxoNprJUjpouGSkMT6wCgA=' 
WHERE 
  key_id = '855e4e5b0721d3f6316903d891c81c9cf6fb05f55be7eebf59d37861f316f1d0' 
  AND (
    token = 'XxmuE6XcW3u4qQg8/hmuNmxoNprJUjpouGSkMT6wCgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )