UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DM/BpE7lJe7dftIs5wiQklGyCqhtpOaugZe+iWHUYsk=' 
WHERE 
  key_id = 'a11eda61cfadc1bd49710debaaf490d5e256442898390a1d0587e1a0c3ffeef4' 
  AND (
    token = 'DM/BpE7lJe7dftIs5wiQklGyCqhtpOaugZe+iWHUYsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )