INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8979433465928a108948b66e5b5c1b6047a777a9c575430746c191b112567cb', 
    'zS0Jwhx7iRLqWTuOmHBbgfUrNE8bI1AgD/SIN/gIZGw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)