UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jY8frx8RXheJ6ObdSSmf+j5WXFwkPTP1noA9qcBKrSE=' 
WHERE 
  key_id = '51eaa5205d67bf994bb43bc5fadb1ed8c44811e63641f8bc8fcf283f6f905121' 
  AND (
    token = 'jY8frx8RXheJ6ObdSSmf+j5WXFwkPTP1noA9qcBKrSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )