UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '33Xpu2XhskV68mbg1mQ5avpLVfyo7VYK5ON5PVvAG0Y=' 
WHERE 
  key_id = 'e931e41e24c96c28ed0d383cf5c792b082b8f12c43841194df8dc405a8287233' 
  AND (
    token = '33Xpu2XhskV68mbg1mQ5avpLVfyo7VYK5ON5PVvAG0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )