INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39cec294d42a840b1e1a16d74779450d1d1a301f9e2d06872f524e219846a333', 
    '+IEVokZO4d4zxCjvkmqhYZvfkUAHttDS0FSEkONDNzo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)