UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iAI/BClnsltAg8PxvlO6WRTf9MyLnqscKf0t3P73tNg=' 
WHERE 
  key_id = '1c1027e9d3f6a38901f1cfc46d9e53057a1ca5829387a98db132de5be0357760' 
  AND (
    token = 'iAI/BClnsltAg8PxvlO6WRTf9MyLnqscKf0t3P73tNg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045