UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lin5hYuYO0b24sJMWaMI0dBh6RGBZD/UQ74X70otIpo=' 
WHERE 
  key_id = '6eb77e96035a684fdb6a9da493c1c9dec084fcff6f53be464252ba1d09055543' 
  AND (
    token = 'Lin5hYuYO0b24sJMWaMI0dBh6RGBZD/UQ74X70otIpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )