INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76e51daf1ba40d405ea557189ea5940047de2db084863019dcb5401ffce2f39c', 
    'fRU7s4frSHbMwapF78sg50/EclOB4ZskQusfnM7dhkM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)