UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mEDbydr2VQVdEwbXWe6ozrOgCRpeDH4CvD0sOhB0ivM=' 
WHERE 
  key_id = '396cf4a88fb18871012b40c7f50ae41ef026f38d236c57b62f1c849fd708a3ac' 
  AND (
    token = 'mEDbydr2VQVdEwbXWe6ozrOgCRpeDH4CvD0sOhB0ivM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )