UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhSaZbwhTTp1c0INFHY2kQjiU8hqQzerRv1NL8fDXH4=' 
WHERE 
  key_id = '3e0e4fdf544a4b60ec0b4be5050cf03e2d40a6862824fb0d9c0d7ccec6814379' 
  AND (
    token = 'KhSaZbwhTTp1c0INFHY2kQjiU8hqQzerRv1NL8fDXH4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )