UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'skKVQM5XXnCdGnrFne6TtfJEGuuPasp3vI7xNcNS0Ic=' 
WHERE 
  key_id = 'a8b37976dc863355e4ccd857596a1b5e0dc41694687df23dd769b9e756484480' 
  AND (
    token = 'skKVQM5XXnCdGnrFne6TtfJEGuuPasp3vI7xNcNS0Ic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )