UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMi8s1SGnfKWJqAYqTmGu1i9s3IyQCS0uAhGlbc7OGg=' 
WHERE 
  key_id = 'c9c74c43006a7072d96c7077803e20092b25abc936602c0f51350c011fc45cd1' 
  AND (
    token = 'zMi8s1SGnfKWJqAYqTmGu1i9s3IyQCS0uAhGlbc7OGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )