UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AATQcdR6vS+Q0PWsa8lWam6by0h0hG2JKYaBWB5Fjx4=' 
WHERE 
  key_id = '7a6dcc9835b04df30e7e0ca17a56a21425bd239021d7f85c135c87e1ef072506' 
  AND (
    token = 'AATQcdR6vS+Q0PWsa8lWam6by0h0hG2JKYaBWB5Fjx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )