UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SO81kdgeT3xCvZtmVD42+KLFFECkQ20k6lrx4sPP+L8=' 
WHERE 
  key_id = 'b751b4e706304ba880e80ea894ff56da4dd92237a212bad985da5110ff5350be' 
  AND (
    token = 'SO81kdgeT3xCvZtmVD42+KLFFECkQ20k6lrx4sPP+L8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )