INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a5671327081050b61ea2bb71a6f8a8d347093dba88fc38f36231ea725d750c0e', 
    '/aafEJf7SOKMMvHYEHaxLjxKxbgHlWHLuzoZ1OfLRqU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)