UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RE6IhP7M79HeX9Oj/jzrHzu5YxnTczdt7axBMm2OAKk=' 
WHERE 
  key_id = '19435755878f3a2f82a4a7754e829ec967869f70c754b73264d8438e54e2a4b7' 
  AND (
    token = 'RE6IhP7M79HeX9Oj/jzrHzu5YxnTczdt7axBMm2OAKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )