UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8HJpFJlq4B/UCfcPo2OD3j8I7xYcJRbjX7zy6Z++N4=' 
WHERE 
  key_id = '0874d7293c0654c4bd1c77f3495cee26b267633428a8c03038dea96f08013215' 
  AND (
    token = 'k8HJpFJlq4B/UCfcPo2OD3j8I7xYcJRbjX7zy6Z++N4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )