INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8279ade4de2a46088a5cd7446afc83f39b0573e4fdd671d80d6f2e066101a2ff', 
    '+zHacA5IUlEoUnFlLR7j81/bbttxN9KDIBbBHbhfSf0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)