INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '850f16feb681024b7a701c7fb6fda017fed62a1e835a9797f0fcc024d1ad0b3b', 
    'E4xiW4QpVLyFxCu1h5SdLnFqgiErpvsYu6n7l2djI+0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)