UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yf1DfjfNjuYWCo8mCNoKVdfjpnVXGpI4TddIVH2uwgU=' 
WHERE 
  key_id = 'bfc671e294644578ac4b19d9014b833fc8b9288355211a790a526abd9c083a45' 
  AND (
    token = 'Yf1DfjfNjuYWCo8mCNoKVdfjpnVXGpI4TddIVH2uwgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )