INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16680b078dbaa506d812b7d1c46e033ec6612568494fbb6771336fcf309e3b46', 
    'QY6N2Jo4WTQsOxIHb3NSd6L1e0gS2AQ84txbI5DC3Ck=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)