UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9V+J3VutoD9360T4lWa6lZAGuXsoyfXzmi1JlmfMCg=' 
WHERE 
  key_id = '243e21e8bd885407b8151496400c3eb68987cd682a35d296973f9ec3b9ea9a0d' 
  AND (
    token = 'C9V+J3VutoD9360T4lWa6lZAGuXsoyfXzmi1JlmfMCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )