UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MR1PI9KaY5lITWLpoC1NMo6fd1e22KIweEpxtn8jS0=' 
WHERE 
  key_id = '18f8eff9cff8405863ec88795582bb6464564b4352fbc5291803cada8f4d6818' 
  AND (
    token = '4MR1PI9KaY5lITWLpoC1NMo6fd1e22KIweEpxtn8jS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )