UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ju4Z/FAfRTyVxCwuzEaYy3VQnSKkbHc56lwShFKzBlE=' 
WHERE 
  key_id = 'e8596a33832286b3ed62580af95a60edcade108e7a783d722c310940278eb3f5' 
  AND (
    token = 'Ju4Z/FAfRTyVxCwuzEaYy3VQnSKkbHc56lwShFKzBlE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )