UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JynzMBxmSSHnVOy2QpisIsq9kgb98PA7g1+zMWlgSnQ=' 
WHERE 
  key_id = '4c8b376dc45b536179931cf622cc7b9d8e85acc2d1ff049a627d890c50c347f3' 
  AND (
    token = 'JynzMBxmSSHnVOy2QpisIsq9kgb98PA7g1+zMWlgSnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )