UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T4pE7OSWqV1nKX5IPfdpFkoB8pILTXRDEgfNCajQ0yE=' 
WHERE 
  key_id = '21e7d139f76add43c1287243cde3b040540c3a2beab4ab412a6eb91eb21acdf9' 
  AND (
    token = 'T4pE7OSWqV1nKX5IPfdpFkoB8pILTXRDEgfNCajQ0yE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )