UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wM3beeKgF/cGG4oICRqzBzzwGPJCHEIB5kaD3+g7o3U=' 
WHERE 
  key_id = '4839dde508f4f77188c95547c8f71169e598e146f78b095b028e798ae5df445d' 
  AND (
    token = 'wM3beeKgF/cGG4oICRqzBzzwGPJCHEIB5kaD3+g7o3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )