UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SceZl5g2d79nmIBejgDpgTpFBShzh/M8UIsQJqih6x0=' 
WHERE 
  key_id = '81fc541315a7e38233c086b03bfbbb10e1e9cc27631dd92986b5b0bc8c92e07d' 
  AND (
    token = 'SceZl5g2d79nmIBejgDpgTpFBShzh/M8UIsQJqih6x0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )