INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9340cef3a01b393334b87549f451af3f5eed3c97afb900d800a3b89214626e68', 
    'RVlU7IyErgMkzzBtP9dqT8CjjFlxEfx8z+az1NjHP5Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)