UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UUyjymGcfUBgzlU5AQgZzR7wLk1mZhTfnA0rnoVvSuU=' 
WHERE 
  key_id = 'a5918f1c98fd59ad275b76af92a87503339dc835979b001c0c4fcbd2f314ef66' 
  AND (
    token = 'UUyjymGcfUBgzlU5AQgZzR7wLk1mZhTfnA0rnoVvSuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )