UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PsVQIl26efZPZ1EROyyRwPqM8bQqABH7NqUM8Wjxa8=' 
WHERE 
  key_id = 'e421f693109f63d646e84675c7963e4cb3c1e4e429876f4d7f2872d90e555778' 
  AND (
    token = '/PsVQIl26efZPZ1EROyyRwPqM8bQqABH7NqUM8Wjxa8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )