UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't/guAGHXVyxPKfeP1IerrPBZ/axdyZ9ZHAz1KuLzAiA=' 
WHERE 
  key_id = 'c8d23af372398935cceb728de7476285b873c532bec279d3f3068674d28e174b' 
  AND (
    token = 't/guAGHXVyxPKfeP1IerrPBZ/axdyZ9ZHAz1KuLzAiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )