UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aVNrWlnRpfc7DKTl8kDSrdY615+csUUhbI9ThPC7jNI=' 
WHERE 
  key_id = 'b961fc7c816722de6107034b079558c6b1882e8fcd0b8d774e3d5ebd59580768' 
  AND (
    token = 'aVNrWlnRpfc7DKTl8kDSrdY615+csUUhbI9ThPC7jNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )