INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f8743a0d3115dd39ccd6c0e7965a71da2cc7dfc0eb940f95686a0c1ecca25c', 
    'efIRY3EcorX0kivBnBtzS3PI6avrIZYmheiKfbbJbw0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)