UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YvYTazE5kVBuRMpGUqBPHR6lZ7s7TtoQbTziYw845QM=' 
WHERE 
  key_id = '81535f79713fd83a00863b9d581b5b0c1c281a9c2f849e9086efb46c2a38c637' 
  AND (
    token = 'YvYTazE5kVBuRMpGUqBPHR6lZ7s7TtoQbTziYw845QM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )