UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K84SFOsXu000BDIRYHUzRHYmL0WZzaUrpkC0uu0ZPOk=' 
WHERE 
  key_id = '6696df30a3ebbb6dcb06f2730ef37cf516be83a1c70ba86052f5f905e0498eed' 
  AND (
    token = 'K84SFOsXu000BDIRYHUzRHYmL0WZzaUrpkC0uu0ZPOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )