INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'af6bdf65d0d3dadb1d7e9c8b1a303fcdbcc934617d1382330fac50b4ac07d129', 
    'ySPz/jgNqr3BruwIjQ281xfXIgY4uSz6Inp3jR9v76I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)