UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nkgTpXTkqyGIVgic3VRSqoyunM78AKtF6p+DgpusgM0=' 
WHERE 
  key_id = '4b99bbf6c9694d608ff3d4f9a0043385f61a7903246a163452463b1a069e1a19' 
  AND (
    token = 'nkgTpXTkqyGIVgic3VRSqoyunM78AKtF6p+DgpusgM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )