UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5S9zXwmbmSxG2o9riBkmYKsT0aWZ9rrQP3blTLmmiZ0=' 
WHERE 
  key_id = '4d2cdc35d420ffac688f749af610e18f830e3b7099519f10feaf98d4ed452407' 
  AND (
    token = '5S9zXwmbmSxG2o9riBkmYKsT0aWZ9rrQP3blTLmmiZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )