UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNu+y6O7QFgUxdjKpMoCOa8eBma8NRJxslbooaGcRIY=' 
WHERE 
  key_id = 'b4ab9dff3d75cac8a225176b51acf81c319051d4ee8d957456843faac9577736' 
  AND (
    token = 'nNu+y6O7QFgUxdjKpMoCOa8eBma8NRJxslbooaGcRIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )