UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ER5buQfJLEklac6GXiouLsoXFcMgmTWqixjtXoys96w=' 
WHERE 
  key_id = '3414e81617fd70c9251e37418c1d4c63d7d3b304ec850473621d5b71d95b379a' 
  AND (
    token = 'ER5buQfJLEklac6GXiouLsoXFcMgmTWqixjtXoys96w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038