INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c2476adde0f98e830635a64b0d3b6650bd52a8cc505a949c6931e786d290479', 
    'iM+dxHKjvQsujEZMVjPnhpEo17YwbJAdQ/hE4XLVtSo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)