UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mN5cgl00tZn3TW30JmfPT8E/GORwBJk+oafL0aNY0LU=' 
WHERE 
  key_id = 'a6b471a7f42aa089afb6214e3e1378d6c2375d3813a07542f40da573ab50ad06' 
  AND (
    token = 'mN5cgl00tZn3TW30JmfPT8E/GORwBJk+oafL0aNY0LU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033