INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51a70501a1e3542ded959afd3c0342780487ed9a5f3912f6a381e88ec1de7cc5', 
    '2Y5uzFxB7HSwr9S3FPfKjDeGLZmtxuDt3Nwa9TxVcig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)