UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cmpbmj+6gj51pr5Yw/W87QUmuOvLZc6/D2HWpXRuml0=' 
WHERE 
  key_id = '8941a79c7922eeb58795e803c1745a1042268b9cb631cab20abe8598072751de' 
  AND (
    token = 'cmpbmj+6gj51pr5Yw/W87QUmuOvLZc6/D2HWpXRuml0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )