UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pfZtbXTdwz+adCvYsI9pU9zzf4g9hVQe2J8oPuFipls=' 
WHERE 
  key_id = 'dda487e57961badbc49f601a981d5750f77f706761c5ea03465cb59c89cd0b6c' 
  AND (
    token = 'pfZtbXTdwz+adCvYsI9pU9zzf4g9hVQe2J8oPuFipls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )