UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPpHHv8q6eg4tPiKdCz7/aYgUppnm2G3HiymspAScJ4=' 
WHERE 
  key_id = '6acab7164e6710b15bf6b754cc8518ae6e6c8adc6f916dd9c261dd8b9e7de4e6' 
  AND (
    token = 'MPpHHv8q6eg4tPiKdCz7/aYgUppnm2G3HiymspAScJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )