UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KUVS45Xv7a//yla3BD6qjTKmokiVMfBNsVZeUaU62rQ=' 
WHERE 
  key_id = '2fab542f83a0bde016d4166ed5685f76b1a419ead401e8535b925d0aec8471e5' 
  AND (
    token = 'KUVS45Xv7a//yla3BD6qjTKmokiVMfBNsVZeUaU62rQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )