INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5a99467ceecd382233562be4cdea471255f39ac8a994a101860ec5f9948a08fa', 
    'G8MNd1fouy0dq6OGTorgDKfm1xk4JkMByEdo0SrtF2M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)