UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KZFUtEjAVMupuYf5WMouIUo1hLGBhXShP4//rEcu4KY=' 
WHERE 
  key_id = '2c476a28b07e8dabec9783b209dc89e126d8f8a97d23c1d9ccf6515b2654e380' 
  AND (
    token = 'KZFUtEjAVMupuYf5WMouIUo1hLGBhXShP4//rEcu4KY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )