UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/mg4NFnCJKTA8emfVdiSI4S3Vxq2+DUlIzo9XnYwOdI=' 
WHERE 
  key_id = '768bc57fcf5ae4ebd7add01d01062adaeb3a7908bddf24619be0d258e5e8adad' 
  AND (
    token = '/mg4NFnCJKTA8emfVdiSI4S3Vxq2+DUlIzo9XnYwOdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )