UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kNzjJWKzIau9sqqhWkic/bhfdnJvaTJLFJuX5GmCYZk=' 
WHERE 
  key_id = '44ca861dfd1553cf138a9bd3706c865b96e390a2ca543526592992b4c4bae8dc' 
  AND (
    token = 'kNzjJWKzIau9sqqhWkic/bhfdnJvaTJLFJuX5GmCYZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )