UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VRemfN6GPujXi7xib/CD+4FlUzvDoSUWc3MsOrtmjXA=' 
WHERE 
  key_id = '15b371fca5fbf4779bfb7ad72699a9efb0056b8fd4cfbb7a27357033e6f5840a' 
  AND (
    token = 'VRemfN6GPujXi7xib/CD+4FlUzvDoSUWc3MsOrtmjXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )