UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mC3IYEeOYh66fQv17vxypK19xl/LRxUQy7f2ah3/Rsc=' 
WHERE 
  key_id = '4e4ba0231570e1e775841e94843cd3c1bd98b9af4b2f59b41104ebed7bf38c4c' 
  AND (
    token = 'mC3IYEeOYh66fQv17vxypK19xl/LRxUQy7f2ah3/Rsc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )