UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0qDvB6clnifvujTmCRc6E1gyziKfzSzLnrnU706ZDYE=' 
WHERE 
  key_id = '5165313945f81478ec540ba16a8a2dafda8e7cd848e264c450388d7474a487f2' 
  AND (
    token = '0qDvB6clnifvujTmCRc6E1gyziKfzSzLnrnU706ZDYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )