UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMrdLm0nDlFAKhXpEux3AbWGgRttoFyX6iHid0NqsTY=' 
WHERE 
  key_id = '5ad8a22a94210e43a1a5977b4af236a7ca1036282f1daf69b6d18678f95f2062' 
  AND (
    token = 'iMrdLm0nDlFAKhXpEux3AbWGgRttoFyX6iHid0NqsTY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )