UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O14NXbVr855yNarW45MNexE7B1NnlIzqd7eOmZ16ha0=' 
WHERE 
  key_id = '839b4fbb2873888f20968722c984c04c4604c3119e41b571dc25a28f389900d5' 
  AND (
    token = 'O14NXbVr855yNarW45MNexE7B1NnlIzqd7eOmZ16ha0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )