UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zrDk+R87CSmc++6LvISsT6xLWJVvdXxb3fYmw5bNSaU=' 
WHERE 
  key_id = '9755b86264d002d5780921e8cbb86713e7f71cf0caf559caab4213c18e5e7622' 
  AND (
    token = 'zrDk+R87CSmc++6LvISsT6xLWJVvdXxb3fYmw5bNSaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )