UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UT5zwqAM4sfGPFa1ZvWPCfCfA2HzAgvxjMGHyizO14k=' 
WHERE 
  key_id = '9f51dead643e29c50284736c4e8d15a7b5790902a6b589829a06e1385b7085d4' 
  AND (
    token = 'UT5zwqAM4sfGPFa1ZvWPCfCfA2HzAgvxjMGHyizO14k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )