UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8kc9qLu3fOuAA5tY8yw4g5ytokjTbCNyjgLKh2An5MI=' 
WHERE 
  key_id = '8cedc19e47a37ec8d68892ef0ea4b6a5123176a51c6b8e32d5d1745dee0faa56' 
  AND (
    token = '8kc9qLu3fOuAA5tY8yw4g5ytokjTbCNyjgLKh2An5MI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )