INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b049f4337549cffa434beb2d0e2a0c184a525d4023b303520e46932d2e28990e', 
    'loW+nPa0MOsZcDQ58oquaCXm5WfsmxNyLNIqy8frabc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)