UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3n5Ye1Vr9P9tVCzTXiyXNpZOt4YGYw5mX9MgFu2J+3I=' 
WHERE 
  key_id = '21c1645b6718a0f59fd989df3ae690eba0ebdf9efb72160228368a68819c27f0' 
  AND (
    token = '3n5Ye1Vr9P9tVCzTXiyXNpZOt4YGYw5mX9MgFu2J+3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )