UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/U76yCEh5egc0YMQ3MUcvy4TbLr8/LosNhL6VQvbfkY=' 
WHERE 
  key_id = 'e8c9a234e996566e36850523a256d269d621d3303deb08ecf7bbfe332393b510' 
  AND (
    token = '/U76yCEh5egc0YMQ3MUcvy4TbLr8/LosNhL6VQvbfkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )