UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHdYzoecU/SnmMbiGRpgIhZbuGdlBUcLOVJklLqtZ8k=' 
WHERE 
  key_id = '421cf0315982ebda5e965258a3288b8977de9f14af6151b1db9a9943f2f5d3a9' 
  AND (
    token = 'CHdYzoecU/SnmMbiGRpgIhZbuGdlBUcLOVJklLqtZ8k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )