UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z5lFJdQbgYmhkVM4btEOYPlVJYDBjUkBqLlqKhxg7kk=' 
WHERE 
  key_id = '21c1f38a388575a6165fb7af967caa7dc91fd95f933dce98bed14cf8b55452ac' 
  AND (
    token = 'Z5lFJdQbgYmhkVM4btEOYPlVJYDBjUkBqLlqKhxg7kk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )