UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RNqxeDhJMzCDXk8xjwi3mjdsE3fgTewFynsHChzCKN8=' 
WHERE 
  key_id = 'ac82f893045a011eb3fc8247808fc59c1a012ab53a79c4a544d87be36c06c402' 
  AND (
    token = 'RNqxeDhJMzCDXk8xjwi3mjdsE3fgTewFynsHChzCKN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )