INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39e6f23bbddbdee1a8ad821407188a0c96d9aa2d7e2b72e320f98a8638930d51', 
    'c4WxGv1upCSLKZBTEQkJi8a7sOD+R6Da1iOeGEDQhLM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)