UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emkBJu1w074lxVXHt/GAakOwNLFbAhcQslXka59HCaM=' 
WHERE 
  key_id = '12b59e592c4921d0db9e71a2e26b59ba3ecae9526d598547e1dbbbe2ec0eacbf' 
  AND (
    token = 'emkBJu1w074lxVXHt/GAakOwNLFbAhcQslXka59HCaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )