UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MPCiAKfjvZSxkojY4Suz+hAVDuC9AsY8w1bncPg2uY=' 
WHERE 
  key_id = 'a921fc8d9e4768bd4dd527b8fce971b2602bb4b9b3c79c3df00b3c319c43b968' 
  AND (
    token = '2MPCiAKfjvZSxkojY4Suz+hAVDuC9AsY8w1bncPg2uY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )