UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'URb00EUp1BtVpxqYTMtDTZkiNEf4+mNHvzbZAU0sYXM=' 
WHERE 
  key_id = '6751ac458f5aebf166abaede9a944eb60c4c39b9a6d37693936ff5eae7800bb1' 
  AND (
    token = 'URb00EUp1BtVpxqYTMtDTZkiNEf4+mNHvzbZAU0sYXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )