INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dd515a715f1549f50f4fa606dca2459993a41588d52646684dec8a3a5af94511', 
    'iKbITmimHkd1csEOIpTN9wHwTpAG1S1ldppLHVDpirM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)