INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '12d66ad64098f6b7963f431400a5ba8b8b40de29950c84e33aa0f32dd38e8d8c', 
    '+6QF17sgYwZiEjYnexOm1f7mkFy+b5+JggrpxZwA3uo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)