UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bxnzku2dYspz7Vi8bWyhSRM9VPOw2T8FNvvebl3ip7M=' 
WHERE 
  key_id = '8a4b6897aad499e277e0e5b0f7f18543e6cf8435f9196a202786726a49721458' 
  AND (
    token = 'Bxnzku2dYspz7Vi8bWyhSRM9VPOw2T8FNvvebl3ip7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )