UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fylu6xOjrSsR2pFDzct9CzM9Ztcm3HysNmzax6AmvTs=' 
WHERE 
  key_id = '747a640f90168666c26b1ac587bf810022b9325de9456c12e2e029d536cc5f39' 
  AND (
    token = 'Fylu6xOjrSsR2pFDzct9CzM9Ztcm3HysNmzax6AmvTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )