INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21ee3e8b8beec04caffffb539697688beda6587052450467ee6df2689254be2e', 
    'ZOcyVXE1RNHcWL1kFy6BZRJc1bcW5Lib2ffOOS2h+EA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)