UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd383ajfU6hM0vwYLkIygpFzyCzgLQuV7CUIVyqYMIj0=' 
WHERE 
  key_id = '3eeeff93adfb97cbe707339f1ce760a2f83ab6fc5878123108015bad75533ce3' 
  AND (
    token = 'd383ajfU6hM0vwYLkIygpFzyCzgLQuV7CUIVyqYMIj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )