UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMcX7BAzhtw3yYLKeVI4/95dxeQTGPfanw7KdYdOYqQ=' 
WHERE 
  key_id = '608a206012a908787c3d396f894e430561e7693fc9d1dc87330ae8b34a86b619' 
  AND (
    token = 'VMcX7BAzhtw3yYLKeVI4/95dxeQTGPfanw7KdYdOYqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )