UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BuwJPe7jHAcps4ipns1kc4UXRRIwcG02t5g0xBn+ApI=' 
WHERE 
  key_id = '8278e3db19476c6a8f96e9ee915860cfe9f46a41f64a55ac4065f9518e65aec6' 
  AND (
    token = 'BuwJPe7jHAcps4ipns1kc4UXRRIwcG02t5g0xBn+ApI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )