UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Xe5OZHxd39Lu1aw76Ua9h9JQqlJZCo+mm8YbuULch0=' 
WHERE 
  key_id = '99d391fd2c3be4a7d4f55a3d10520446d4893dfe0dda3b1add2fe03106e99833' 
  AND (
    token = '/Xe5OZHxd39Lu1aw76Ua9h9JQqlJZCo+mm8YbuULch0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )