UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/viaRlrpFZS+2sPxV5SyHdfRakRFIuqa5REKf0Rqkg=' 
WHERE 
  key_id = 'a959c2812650f0b086060cc82138f9dc2690d7421810129d0ad8fabac156a14f' 
  AND (
    token = 'S/viaRlrpFZS+2sPxV5SyHdfRakRFIuqa5REKf0Rqkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )