UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'StVq6bPLVvRwTvWgW3egsMSra7NDoxr9Jo3tcOZRhNs=' 
WHERE 
  key_id = '834598e354a9a181e81e2718d50fd16b46f083ecaecaa681a9022163c980e06f' 
  AND (
    token = 'StVq6bPLVvRwTvWgW3egsMSra7NDoxr9Jo3tcOZRhNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )