UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kz3lmZw7/cM6ympBiz17qd3mqQy8zywYWrnWvl4MCbs=' 
WHERE 
  key_id = '830f269018b8314cfe543a80b024a8552e9992a845097250224ac4db43967e23' 
  AND (
    token = 'kz3lmZw7/cM6ympBiz17qd3mqQy8zywYWrnWvl4MCbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )