INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c4803b9ee6a18dcea4bbb527834ffb509dd0853d78ef1cabbc8019463456aa3b', 
    '+fHUu6M9TkEZH84zwSZcFqOCgk1nDLcuHzRvL8IJioM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)