UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Guard1AHlwrCpwQMTpKY2X/uAlPfahGxN1seyGKdoos=' 
WHERE 
  key_id = '68ac60d2f60ba86dbf3a95407ef52764a78903c564a61365e1a8acd7d3e9c23a' 
  AND (
    token = 'Guard1AHlwrCpwQMTpKY2X/uAlPfahGxN1seyGKdoos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )