UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TchaYrDfmL8lEs/vr8xEPbkfMqoaoW6ihqGrXI+/cfc=' 
WHERE 
  key_id = '9b8476ca5aa5bbb4473016e7f9cde3ebc8e771c480352def3d7b1addc486c9bf' 
  AND (
    token = 'TchaYrDfmL8lEs/vr8xEPbkfMqoaoW6ihqGrXI+/cfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )