UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B4N/xMgd1bI1Z3XOdCiIQHKiGOidRwWRzvRL626iiS8=' 
WHERE 
  key_id = 'e6136393cb4ae25b843488a457b9ed9b0b47e132b904d3715b012af3770cff26' 
  AND (
    token = 'B4N/xMgd1bI1Z3XOdCiIQHKiGOidRwWRzvRL626iiS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )