UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVHbIqmAz2vLKpJdv+qvEGrAY03fJjo9fddu8cNmpJE=' 
WHERE 
  key_id = 'eb27f879a86417d48e651240a634394750f8d5f618d836537518a531ab3d1ee2' 
  AND (
    token = 'pVHbIqmAz2vLKpJdv+qvEGrAY03fJjo9fddu8cNmpJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )