UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7WVX/7SGXzkq99RdYiDNRZfyT2qJ4nBldm4eCKIcaQ=' 
WHERE 
  key_id = '206dd91966d6b36dcb1af01f23f5d8e9df076c3ba1514c86dea619b9df1126ed' 
  AND (
    token = 'B7WVX/7SGXzkq99RdYiDNRZfyT2qJ4nBldm4eCKIcaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )