UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xStyz3NSka+Azwr1WFdlR/yfa4DTriDKBwsxEJhNVz0=' 
WHERE 
  key_id = '791bf9cb81805e26cfe30f1fee987819c07467374d514f7d5a6574c666c0e38c' 
  AND (
    token = 'xStyz3NSka+Azwr1WFdlR/yfa4DTriDKBwsxEJhNVz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )