UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+iKHZPn8qcVp/lDVc1t2F/oEP3SxudqSPKUHYpdT/Vk=' 
WHERE 
  key_id = '7a5166da486c623cbf8830764520c1f74c7598c26c4904789cdba568f1340de5' 
  AND (
    token = '+iKHZPn8qcVp/lDVc1t2F/oEP3SxudqSPKUHYpdT/Vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )