UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/jz+FB8+CTuhPhCAZBSjyGw275vOPFJja5AR0G6+rcw=' 
WHERE 
  key_id = '21ff38c1cc888829bccd312cbece19e943df874976135fdac554f344c3ad8ffe' 
  AND (
    token = '/jz+FB8+CTuhPhCAZBSjyGw275vOPFJja5AR0G6+rcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )