UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IkDO5ll4J9lmm2Buu27tbK5FsgCLzg+cOGQtRSFlnrk=' 
WHERE 
  key_id = '6d7ddfa7b0445efa2d7f323b67fb2c8dfa49ae1aaf4f835e986e987cf061c27f' 
  AND (
    token = 'IkDO5ll4J9lmm2Buu27tbK5FsgCLzg+cOGQtRSFlnrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )