UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E1Ru9mjeAhotecpSpf5jFzrfhe7eY+tTVous2iDclYM=' 
WHERE 
  key_id = '534a66e4d3649f1fc73bca08aabe554248dee245be5226ab266262e15bf0eda0' 
  AND (
    token = 'E1Ru9mjeAhotecpSpf5jFzrfhe7eY+tTVous2iDclYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )