UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sgWAuw4r9jiP6DepgXBIlz78uqfEVZQgyfCcQcmzpbU=' 
WHERE 
  key_id = '4cb9d708aeb1004824196c19eb8f6415715255bb7c47f149c9114b82442a7a68' 
  AND (
    token = 'sgWAuw4r9jiP6DepgXBIlz78uqfEVZQgyfCcQcmzpbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )