UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uFNVTa1NXbDn3pMX7uFIlGQk3kcAYiuvmp5AdRf+iec=' 
WHERE 
  key_id = '51106e7bdbfccf9c4dd1c597c9849115f3a2eb9a08cec272ad45f7b854262246' 
  AND (
    token = 'uFNVTa1NXbDn3pMX7uFIlGQk3kcAYiuvmp5AdRf+iec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )