UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/a4/rLiqoZiiuLBBri4pzoWrLJ5ls5iqVF32MtCoBnY=' 
WHERE 
  key_id = '6b5ee3de3d03bb4a619443400e8e10de18d08ffeaabe7fbaac6422701a8ebef4' 
  AND (
    token = '/a4/rLiqoZiiuLBBri4pzoWrLJ5ls5iqVF32MtCoBnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )