UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DxWpHA96TqQfpc9BpxDAFOC5THh1ERKtvzgZGk8bR+g=' 
WHERE 
  key_id = '42a33657432577cde6e73cd648001d006c38f5539d471e23ef44c0dbac4ec00d' 
  AND (
    token = 'DxWpHA96TqQfpc9BpxDAFOC5THh1ERKtvzgZGk8bR+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )