UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XRRvDMwms77rG4y9ZQuAQ1iUmf29aFtTJG8FicBpGAU=' 
WHERE 
  key_id = '820377c3eda584de3623e6bd100a06ae845c04f993dded4f4bd55a2ae4758e1e' 
  AND (
    token = 'XRRvDMwms77rG4y9ZQuAQ1iUmf29aFtTJG8FicBpGAU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )