UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJvGJHeUuUNeJqjmygiWtNse/ckoUr5YOJgEAMEMftI=' 
WHERE 
  key_id = '855df83a26d6539708ea56917344ea52cfb0531217410311c872b0ca5399e701' 
  AND (
    token = 'MJvGJHeUuUNeJqjmygiWtNse/ckoUr5YOJgEAMEMftI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )