INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fe3887d380b82543d29d7edd6d4add4c0799307beae857e54d31e9386f98d7', 
    'JC9Rx4sOXeyj4ink4G7G45jsi0fTq3+PJm0jwgmFP8Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)