UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/fHXDmmeZ6+E3clTnyZGuYtTtlDf9ia9Kf8rINUU+PM=' 
WHERE 
  key_id = '38569c3fa1ef989f46553a56d9f41cd7c10ca15b8bfa9029b391689f1fbab9bf' 
  AND (
    token = '/fHXDmmeZ6+E3clTnyZGuYtTtlDf9ia9Kf8rINUU+PM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )