UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+idqR7UM8cbxIle4WBnuCOMHIb5WLPVlex1GwuBpJc=' 
WHERE 
  key_id = '4393a294ca57b1b6e01663c9c8ccff61b5cdc19dea4a52076a6cc37af3921944' 
  AND (
    token = 'O+idqR7UM8cbxIle4WBnuCOMHIb5WLPVlex1GwuBpJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )