UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMwGcu7Q6HiTifh/SUTu1zQnlNY3D6yzH1uwIylSzMo=' 
WHERE 
  key_id = '6a5ef76e39b13d0f48c590aa7a8fb8e251633cd3627415d344f104e7022e1d6a' 
  AND (
    token = 'QMwGcu7Q6HiTifh/SUTu1zQnlNY3D6yzH1uwIylSzMo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )