UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RA5+B+VS2n+NjkKPQSusk1tjVlptN5M6DHQk29SPIXA=' 
WHERE 
  key_id = 'a9f910a26b6b461699cb4cf2f701881c19481c910525c27f20256eeead796b66' 
  AND (
    token = 'RA5+B+VS2n+NjkKPQSusk1tjVlptN5M6DHQk29SPIXA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )