UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '047FsV9R6YATA2cWhTIoUn2WN1xulUAVIx0SCqSZMqM=' 
WHERE 
  key_id = 'b50cd0ade2f2bf1a3bb6750e2acf7018ce610ccb9d64892b3299155166bbdd73' 
  AND (
    token = '047FsV9R6YATA2cWhTIoUn2WN1xulUAVIx0SCqSZMqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )