UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lnWR6Ch1VEPX4VqAkbdnmO8fM3583eTPE2PdFuhjvXA=' 
WHERE 
  key_id = '6a7b8c6dc79dd77a46c5466ed9d9983189e3d557be2291eb97dd26039903d465' 
  AND (
    token = 'lnWR6Ch1VEPX4VqAkbdnmO8fM3583eTPE2PdFuhjvXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )