INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0743ce50c37cee28879b1492e02456045fafad544ee9b09e29200d937ff69c8b', 
    'h1gST8dr/5s00yd/whsMJe+Nwon5OwwOfbHSLy6buM4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)