UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3ThH1YTlK8oH7dR5nbs5E04DomXonHNyijz31sdjlcE=' 
WHERE 
  key_id = '51002f087ad582ab75b9419488a09d092940f0d8bb01b0d3bc192f869ca6658b' 
  AND (
    token = '3ThH1YTlK8oH7dR5nbs5E04DomXonHNyijz31sdjlcE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )