INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b5c170692d7a662d4b11cf345ce8a807889112b7306a47f890d5ead1ebce86de', 
    'S+uH937TCDp4iGoyTGRO4kdcgmesg9UJ35Juv8SoadM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)