UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bNgu/bsWdQAWuroM5H6Y6Ed8oLoXF7B0FPSu6HzFV4I=' 
WHERE 
  key_id = '79e5dd19501a671f5331720a7b2f4fcfb2d848acf68b1cf2a2101e1d5845e968' 
  AND (
    token = 'bNgu/bsWdQAWuroM5H6Y6Ed8oLoXF7B0FPSu6HzFV4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )