UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VeplQJSBmTXYe9vaO3sEaucyrEQ6RlhvhvWWLTaKb54=' 
WHERE 
  key_id = 'c50437da5bedca331718d8af435ac24615ae1bc061d8faee15b494c2edae8d46' 
  AND (
    token = 'VeplQJSBmTXYe9vaO3sEaucyrEQ6RlhvhvWWLTaKb54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )