INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81349a2e56fc7e42eacccd30138e21b57b2749929d23396da98005703b20fc2d', 
    'YKS4JP3XVsZFwejjeGSUL0MdZIaq058DZCBFavcBMqM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)