UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PObaOFgI9T6TNUYqYz0Zg6Dj8SuY5SGgcsC/S6APu8=' 
WHERE 
  key_id = '15d9e3ab793c7da2d3e475ec0f7e596e498196baabe3947a9584e1c58135813e' 
  AND (
    token = '8PObaOFgI9T6TNUYqYz0Zg6Dj8SuY5SGgcsC/S6APu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )