UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Khc89vzzY9nUPkDSNHygUo2PLU0HGSMblSpZXi0Ymzo=' 
WHERE 
  key_id = 'ae6cf6a06583b08a2f2d4d25ec05726bcfaeb789acee477b37580b8fe52c6cc8' 
  AND (
    token = 'Khc89vzzY9nUPkDSNHygUo2PLU0HGSMblSpZXi0Ymzo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )