UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pkI9U2ZazH/IPpWMk2cJeFQoomISRuoySSxuWYDEXg=' 
WHERE 
  key_id = '83832cc63aea54242d2474928f98c7e2b3d3919b82fb1e7c0143b62979240201' 
  AND (
    token = '6pkI9U2ZazH/IPpWMk2cJeFQoomISRuoySSxuWYDEXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )