UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EBU9QoMblR5l1AyflhIV1r05TEhqqp9ogy5+lyhM0OI=' 
WHERE 
  key_id = '34b7787d16746f4388fc3d0302be87d1d3335991d6a936579071dd238336927f' 
  AND (
    token = 'EBU9QoMblR5l1AyflhIV1r05TEhqqp9ogy5+lyhM0OI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )