UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7CumrYM1DWiSCxnS7YsbghcWRFOGlkbTRiTfLe6WxyA=' 
WHERE 
  key_id = '84876da43b808ff8ff6f8de99a65c798359058a9ad36c1016592545d7b66aa0e' 
  AND (
    token = '7CumrYM1DWiSCxnS7YsbghcWRFOGlkbTRiTfLe6WxyA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )