UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TK0JYYKQSdN1v/el0djxW7m1idM8qMy0KSEy5EiEtxk=' 
WHERE 
  key_id = '1c5800411e596cf3b3605ad6429346af0fb44d4fae7bcfb3ae8687ac383ef0bc' 
  AND (
    token = 'TK0JYYKQSdN1v/el0djxW7m1idM8qMy0KSEy5EiEtxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024