UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkgIoOqzCZC+FrWDd43feuK08hWrQdNZ8V+y3Sp9CnE=' 
WHERE 
  key_id = 'e7839bbd8d5d64ac08448c13fba523d421c819b04019c89a9c716e352b666594' 
  AND (
    token = 'MkgIoOqzCZC+FrWDd43feuK08hWrQdNZ8V+y3Sp9CnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )