UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkXDsYx0weS1ULZBgUiyJhmL6CTw6elVQaD5ZTl+Aw4=' 
WHERE 
  key_id = '68bc03c2474a2416d07dd00dbb141b3f65af6748e148947986a564e448144206' 
  AND (
    token = 'mkXDsYx0weS1ULZBgUiyJhmL6CTw6elVQaD5ZTl+Aw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )