INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721066b333e5b93fb2d3961d03a146aea424ee80c7a461981e15ea409ba48fce', 
    'dNYrsPGsTQbJ1HBbMiTuLTGAa9rMHCzGR4x4Cr4no3w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)