UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5ZcPPCY8I/Ls8CGsBDEDzk6EJzeF2nO4HDVftWdeD6A=' 
WHERE 
  key_id = '2634849d003a0df0d239970591174439a2a7207d9a31e90491226b3b74601c54' 
  AND (
    token = '5ZcPPCY8I/Ls8CGsBDEDzk6EJzeF2nO4HDVftWdeD6A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )