UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p2oCStkgBTNeRO5HRQUDM52t1w6VNe9D2hmTLcdBWgs=' 
WHERE 
  key_id = '3904089e0e61a098bfea41538c1c9f05c8daae852f640858f36d7ef9754d0941' 
  AND (
    token = 'p2oCStkgBTNeRO5HRQUDM52t1w6VNe9D2hmTLcdBWgs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )