UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/a6Ml/yfkS0SocMhuKn7y7LhkR7WzZcYaQaieKq6ff0=' 
WHERE 
  key_id = '49f47c943f14bab0c809278c75c194b43d2d9e7144c6b4862f6cccc4c16110c0' 
  AND (
    token = '/a6Ml/yfkS0SocMhuKn7y7LhkR7WzZcYaQaieKq6ff0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )