UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRdBZI0X1KvkVpkO9HB2+eWEcg+khySsJWJJ+OvWwYg=' 
WHERE 
  key_id = '6c8f0ab40dab8f498e83ca94b5c3dc39f3f42cb4e3534f4e75e297c96754d884' 
  AND (
    token = 'QRdBZI0X1KvkVpkO9HB2+eWEcg+khySsJWJJ+OvWwYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )