UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AXNETmn2DMtiIw704bnyKracaXy1ITh8Gq0284o+MkQ=' 
WHERE 
  key_id = '5544c35a27eeeb5f3e194db39b94e90ba3ddd77b986607134da7622c109943bf' 
  AND (
    token = 'AXNETmn2DMtiIw704bnyKracaXy1ITh8Gq0284o+MkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )