UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VYsafBYcBo1Hx3+1uEkEFePm1TVBMwkeEJpl4baGjac=' 
WHERE 
  key_id = '28459c04986a98332175ca12d3f2707e038f779048f7fb27f96e0b864ad50831' 
  AND (
    token = 'VYsafBYcBo1Hx3+1uEkEFePm1TVBMwkeEJpl4baGjac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )