UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ko8wY30ycz/mPFK43yLdxDU7UhItldHjM4/YToue6F8=' 
WHERE 
  key_id = 'd35b9b3a7295171b82c27dd00daded6ee34e5a1e464d4904a777f37948874fb8' 
  AND (
    token = 'Ko8wY30ycz/mPFK43yLdxDU7UhItldHjM4/YToue6F8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )