UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UgWDnhBc+j2tU0j6eseFn/mnSMYh5GAZp5EILKPZddE=' 
WHERE 
  key_id = '994c9e38815174a800555bbbba5266e716797aeb276b63b1b5186d1949f45f52' 
  AND (
    token = 'UgWDnhBc+j2tU0j6eseFn/mnSMYh5GAZp5EILKPZddE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )