UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'awcn8KgTwzq20inIr/3+MC694U028xlq4I1RN7NSq9Q=' 
WHERE 
  key_id = 'e9184f055759e272ff26dab0296cc17168eec6876980e61e7c9320b87aa3990c' 
  AND (
    token = 'awcn8KgTwzq20inIr/3+MC694U028xlq4I1RN7NSq9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )