UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CvEDkjiNSgCilNYHD9UzQ+rqwMa6ARypMnlVr8U012E=' 
WHERE 
  key_id = '6975504de6d6c8caf5f03906ff18a1248ea967fe92518dc84b1652de6d752699' 
  AND (
    token = 'CvEDkjiNSgCilNYHD9UzQ+rqwMa6ARypMnlVr8U012E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )