UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pgu2kFL+VTVk2v29H/7d1BK/4cGVxXPu/t2kP99PVqI=' 
WHERE 
  key_id = '4281814ffdb62e4a07ba62fee97c6e92e8bead121f1a99a85958599466a39838' 
  AND (
    token = 'pgu2kFL+VTVk2v29H/7d1BK/4cGVxXPu/t2kP99PVqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )