UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P275GFYmbKjm4bxV9j56pLcQTAVE8WNQaiIsJxFnfOs=' 
WHERE 
  key_id = 'ab20f73608af360a27978a7896ddc255d97783a1d189db3b4b5a105c035ca9b9' 
  AND (
    token = 'P275GFYmbKjm4bxV9j56pLcQTAVE8WNQaiIsJxFnfOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )