UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8l3NTO2Rq0fNY9mTaxvEk3kxb1dpTlMyKjwfAtii89c=' 
WHERE 
  key_id = '3957fda4924f74c3f842029ba7c45f6d5ae56697c7940285044626c9fb21e84b' 
  AND (
    token = '8l3NTO2Rq0fNY9mTaxvEk3kxb1dpTlMyKjwfAtii89c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )