INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ff9e81bd179206f67f684e0d6221c7896499159a33b0bd3ca8c9f134328551', 
    'ieZjJBCjZY1T4RD6VTXSwHYEqOo9BjU6Jg/7IsTqrkQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)