UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6R3JNamqOhXRB+wrrEXbmjAEAMgZijmO7Wo4PEnF0nI=' 
WHERE 
  key_id = '9c2ce8fed586146617b68f4467f9d89439933df5a691992d619f78656fce2721' 
  AND (
    token = '6R3JNamqOhXRB+wrrEXbmjAEAMgZijmO7Wo4PEnF0nI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )