UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJEMwU9+rN44024niQ3A+2yV7H20mZIzRz7MDTc+OOk=' 
WHERE 
  key_id = '877fbaf04761ea50d140f3cdff8ba774e52864054fb3f3fa268608766ccf87a4' 
  AND (
    token = 'MJEMwU9+rN44024niQ3A+2yV7H20mZIzRz7MDTc+OOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )