UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L/sIQTc0t6YYus8S/zfQMq4X7Qb2AsgMrxyUb8QZCKM=' 
WHERE 
  key_id = '979c8353ca27f2cbd0fe3005c2c4092076aa48c7e250674aebe161addf538d76' 
  AND (
    token = 'L/sIQTc0t6YYus8S/zfQMq4X7Qb2AsgMrxyUb8QZCKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )