UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1yirW3B2hCK/w3n2hskRx9LRKTHmX8J3szBUWwAUUm0=' 
WHERE 
  key_id = '823c3648c7c7082f81db89d3c00250aeaec9ef097671ea664580cef89b092ae0' 
  AND (
    token = '1yirW3B2hCK/w3n2hskRx9LRKTHmX8J3szBUWwAUUm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )