UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQlGkNYOwxxELcofe/cnIVvxwBB0UDSl/oX0g2epaRM=' 
WHERE 
  key_id = 'c4ea17c4f69bc91069804807aeb42134a2960ed33e2d418e3d80b7e1763de694' 
  AND (
    token = 'MQlGkNYOwxxELcofe/cnIVvxwBB0UDSl/oX0g2epaRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )