INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91c7dbd2294fa9e238db566326f33e0b293da53d35f47b0472eb53f944c105d2', 
    'zKdnidJjPg+vsGlltZE3n7EKwShiSOpWXUtWYORA29I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)