UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epuDM9TTaUIYSnm4VQzkoKkLY15R9yhkJVErxHiYFQk=' 
WHERE 
  key_id = '6f6d238467ee0fe30c00cb106f26aaa33411b02e50175bb001d9b30186f2a47f' 
  AND (
    token = 'epuDM9TTaUIYSnm4VQzkoKkLY15R9yhkJVErxHiYFQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )