UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dReFREPXItp4djxDFJHsUpqIJVtiHa6ce8D/28RuENI=' 
WHERE 
  key_id = '950ec89d984df6082dcf22285a51cb403a26688d788d00baf0268102c936e915' 
  AND (
    token = 'dReFREPXItp4djxDFJHsUpqIJVtiHa6ce8D/28RuENI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )