INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9fffa6b97756240aa8f204f2c7d97ca7a7813801af7342dcbb79cd0323656548', 
    'oQ8CqPD5IpT5U7QAd25IkbP7a046U6CtECawLzvItZY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)