INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '812162021b720ef9769031d93303feb0113062420dd04002714bff9f12dd6c4c', 
    'jLv3sd/mIEk8NXfRsQFMmbo1q46ghBbo5pv9n3YVnEE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)