UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6iz3nlXEJZGonhqrVm63fzhAfcZ4QJo/5hbjK402FP4=' 
WHERE 
  key_id = '812765492b341525c25d1a6b771808b12d109fc57fca82cc9359c441210139b2' 
  AND (
    token = '6iz3nlXEJZGonhqrVm63fzhAfcZ4QJo/5hbjK402FP4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )