UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oZdKRpslExjAZd3BWDVnbdu7ILOZzpWSAfIonB8ktZY=' 
WHERE 
  key_id = '936b2308e816397573dd867bf682eba81cf3abb866ea1689d0a6d1120e4e7471' 
  AND (
    token = 'oZdKRpslExjAZd3BWDVnbdu7ILOZzpWSAfIonB8ktZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )