UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6uxyT8qMTTeCcrRIVYg1A5BJ87R6j60RdZbFaprXGU=' 
WHERE 
  key_id = 'a1f9704596bc401d0b1eca9e069dd939107be513949f6008e70da99f549c68c4' 
  AND (
    token = 'a6uxyT8qMTTeCcrRIVYg1A5BJ87R6j60RdZbFaprXGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )