INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '990ea4b52c7bc7854da5593610e6c4e049c00649f20eb625caf6770096a9e9fe', 
    'WbeOJrioJRkvzLiVufMGSCLXrRCNrbnk362iKoG20i0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)