INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721d25746e6ffd8359d1d9c32761616f1a053c34483912085ee37a7e1e925532', 
    '76WBZywD9V3Ptnsa+BwYPlxRehUhyawoQFbo4e7bM+E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)