UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RIqYw7ZBT6M2FpYiJa+JCsgq1rfeIFtipDkhoAX/ovk=' 
WHERE 
  key_id = '27b57361989159695ab9cd4ed676d052bbd831fff819a01828e396e0949e9333' 
  AND (
    token = 'RIqYw7ZBT6M2FpYiJa+JCsgq1rfeIFtipDkhoAX/ovk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )