UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tYxW1ARxDFccwATFJn2JxWiNyay16yYoIc6TbGSXCzc=' 
WHERE 
  key_id = '597d0831c3b660484c8cfa406c80645d3e622e8d8b6e6b155e8f062e397bb9d4' 
  AND (
    token = 'tYxW1ARxDFccwATFJn2JxWiNyay16yYoIc6TbGSXCzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )