UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UK4hXKWScgu27BBsTWwpXnASvQjTJiDKfQ1aJ/+hwkw=' 
WHERE 
  key_id = '21cc5e7e94e5dcba0c4a847907756f53426be5017d5d0f30089c18692198d5ed' 
  AND (
    token = 'UK4hXKWScgu27BBsTWwpXnASvQjTJiDKfQ1aJ/+hwkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )