INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4efe1a00d6324828c32e5d27ec4985a9b1504c778f368c814b00bff0292e400a', 
    '+844xDpAco1ZSNDNrjo1KrVOtHoc3fyDwCh5VOHSWFs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)