UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oKDnCNAv/3kVIMOCFZ4iOXOnXUNPN60XdMI/fsI+SA=' 
WHERE 
  key_id = '775d246e136364842f31ab9b83625cbe2de4b11b368d7c634cee5d6eb176920f' 
  AND (
    token = '6oKDnCNAv/3kVIMOCFZ4iOXOnXUNPN60XdMI/fsI+SA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )