UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/lT7Ashk+3FrGY6I0RUIkAyujrza1JiGwWGlCW7brKA=' 
WHERE 
  key_id = 'a2787bed553fba31c7e5966f63ffde6a99912c583c8e08e9456d511949abbb83' 
  AND (
    token = '/lT7Ashk+3FrGY6I0RUIkAyujrza1JiGwWGlCW7brKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )