UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MALOj7fbSkIJhEO7AcAJaQA0/uBRE6ZVDqP//3yIZbQ=' 
WHERE 
  key_id = '4d995a35585b6bc7860f0c84c49ac6cf941839a05ab747fc72b919d702da048c' 
  AND (
    token = 'MALOj7fbSkIJhEO7AcAJaQA0/uBRE6ZVDqP//3yIZbQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )