INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8c301121a20608ec89bc601820c953b1d0b744e8289072f7371e7db36e00ecb', 
    '/iYXJ7nAApzv1P20G1RtLzCf4XdfjiQRxmknuZgU210=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)