INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68340fc6a382cb34a4daae11f79404c4b840de2810c421f6eea9f4701095fce0', 
    'DOngVSK//TVG2M2ePf6659iebSYbZO4WFPKGTp85GvY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)