UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+He9+pTqKqfQV4LKMtmHu7OnzfNhOhF7yZ//dPZtWTs=' 
WHERE 
  key_id = '391f2f59b92940a5e357a11dccf008b4bb97f9054bb940bfa7cd25c1987fc8b9' 
  AND (
    token = '+He9+pTqKqfQV4LKMtmHu7OnzfNhOhF7yZ//dPZtWTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )