UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zv/B+4sv/SrJM8CiPwjTK9YmVMTiI5kpZR851sGmyUg=' 
WHERE 
  key_id = '8dce034380951619d48d7dff6651d286c2c6333603e7d197ba19aa34c8dacc6b' 
  AND (
    token = 'Zv/B+4sv/SrJM8CiPwjTK9YmVMTiI5kpZR851sGmyUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )