UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cPVjPdWmU/g0ZkbDiNmYUa1BK0izlGZFwGiU4xrxack=' 
WHERE 
  key_id = '6d21b172c8e5d5a446e2346e553ff4cebc08a949f3433cf5662bdf9294b2859f' 
  AND (
    token = 'cPVjPdWmU/g0ZkbDiNmYUa1BK0izlGZFwGiU4xrxack=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )