UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8C9BKITjgBmyTzFiwOlI0GZfrGSZu/BHyEQySwsVkN8=' 
WHERE 
  key_id = '81d485a6bb1febe0fd37b473c3fb14e3341e143b23f5c0c3a4964af75d68291e' 
  AND (
    token = '8C9BKITjgBmyTzFiwOlI0GZfrGSZu/BHyEQySwsVkN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )