UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mSG6cvCeRrGrRdoEDzCh2oO0RVxpU4ioeKvKT8dxNK0=' 
WHERE 
  key_id = '636fb3fbd2481bb43c90652e8ccab83c50d71b15a04d24ae74fc8a4117e41dd3' 
  AND (
    token = 'mSG6cvCeRrGrRdoEDzCh2oO0RVxpU4ioeKvKT8dxNK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )