UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6X99xWH+0frBAopV7llB3PBGp0Az6302uyhc2MaAZn4=' 
WHERE 
  key_id = '54821bf0ebe553e8aa8ed3a6389856fdb0467a6332f7e734e7108c925cebdb68' 
  AND (
    token = '6X99xWH+0frBAopV7llB3PBGp0Az6302uyhc2MaAZn4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )