UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6EvxFGuspz99wQ4NS/QSuq4gIvNHAJkzHk/O7W/1rEM=' 
WHERE 
  key_id = '8c6fae232f37f59f161d49b5c4a0532584ca22b96e2d3d4721cc415dc0fb0393' 
  AND (
    token = '6EvxFGuspz99wQ4NS/QSuq4gIvNHAJkzHk/O7W/1rEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )