UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6HLNGO1Kw64GszxlhXGLhjdRy1uiKOMg/knZeBGCdrA=' 
WHERE 
  key_id = '29971cff6e4cfdb25052825e876708e291236c34fe51c987864585ab3014e1c1' 
  AND (
    token = '6HLNGO1Kw64GszxlhXGLhjdRy1uiKOMg/knZeBGCdrA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )