INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a9d2ba97f25555b16e60796bec9eecde018878a1e2065a2ee88ab4299046d877', 
    'dyP2hZg+RCFefgSXQXnMdPPTcaVUQFOXDe8RKBoc3WM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)