UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ex6FFgWkwihkgq4V5JTKIzdML6Rc3d/YLdps1EgssuQ=' 
WHERE 
  key_id = '5391204ac589074da3e64b41b3a7ad348bd4a157f68d7830a355fa782e85cc53' 
  AND (
    token = 'Ex6FFgWkwihkgq4V5JTKIzdML6Rc3d/YLdps1EgssuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )