UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WJHMQk9dAsVs8X5HKD4kofzyHZIGpjHQDnHktGdUknw=' 
WHERE 
  key_id = '31a66ecb9ed647fba7017d1cf2933a8c258f0b03a845ea5931622a4d1d2cd124' 
  AND (
    token = 'WJHMQk9dAsVs8X5HKD4kofzyHZIGpjHQDnHktGdUknw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )