UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LjVlPiV4z1EnXVuZg7INu9lLCt2uiXqJHiGCvy0EB1A=' 
WHERE 
  key_id = '54dbefc4cddcf2b13e58df032755a9474934cc6ed9bcc1bf60ee1ca969b74455' 
  AND (
    token = 'LjVlPiV4z1EnXVuZg7INu9lLCt2uiXqJHiGCvy0EB1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )