UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4H0Q4RQVBj/S0Wgp4Ii1La1Y89bJ7Ri98Mq61TxKnXk=' 
WHERE 
  key_id = '81d48f8a6e8d3a9283d9449736d6bb01b3325974337d8c3d90f2e9f2c33e909a' 
  AND (
    token = '4H0Q4RQVBj/S0Wgp4Ii1La1Y89bJ7Ri98Mq61TxKnXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )