INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '300a1de65df496065e3c54b58330efb888e84adcb0a5e29a887dd710a576da39', 
    '+mXj4H9jWd+fd43ygv5kmLxcuXsXMDffKB87gWAALRk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)