INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '623e40c5019b244e5032a6702d991cedea321f47d6938214057c836576823cfd', 
    'Ecx256M8ETe5uMkYD5v0FwW7fYfC5gBWS3hJGCDFDNM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)