UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nwZ8Nkt+MrshGlW7ttCgzu3Xf4a6SGw/4D2p01wDBeY=' 
WHERE 
  key_id = '5476c81e614d8fc27d1a57355de357f068d4b19392f78eea57705f1c62b0c9ee' 
  AND (
    token = 'nwZ8Nkt+MrshGlW7ttCgzu3Xf4a6SGw/4D2p01wDBeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )