UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2t5LUsENYNsmA1qcHfQnJiLrBqwYpj3QWoNIsLXreQs=' 
WHERE 
  key_id = '6d19efc96bb8df47a79bc6a579956717cb4f150210630bce8ac976287bcf6d0d' 
  AND (
    token = '2t5LUsENYNsmA1qcHfQnJiLrBqwYpj3QWoNIsLXreQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )