UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CwrVFb79UaPWTLTE8/sbWUPkWoAT0IXUh877aPSY+y0=' 
WHERE 
  key_id = '3123519c19abf7eb73049a5fa4cfed36a4aea394e2fb60f41eb9024b96ca7a56' 
  AND (
    token = 'CwrVFb79UaPWTLTE8/sbWUPkWoAT0IXUh877aPSY+y0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )