UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BqC4xc1e6wgvZRDXTpy9sUaQb04EoTa8V03XmtmEdYc=' 
WHERE 
  key_id = 'a4fd992f2f6c493051221550ada93f9a4bf4daf379281fa53336c619a4f0e3ed' 
  AND (
    token = 'BqC4xc1e6wgvZRDXTpy9sUaQb04EoTa8V03XmtmEdYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )