UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '39e3hRHLdiFe0JkFhIRIGnQfOxoL6ab5RfBK2w1zsNo=' 
WHERE 
  key_id = 'b6576a85c9faac44b9a28cd50fe7064238b97e67ac9b4e463ebd8ef070bd96d1' 
  AND (
    token = '39e3hRHLdiFe0JkFhIRIGnQfOxoL6ab5RfBK2w1zsNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )