INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c4a3753ee72ef0b7853bf3650325fb62da28d469b62e031c74a2068a9a63b214', 
    '+fE8MvZMM/ouKVuKzKuQc9Ss1uB6dnurjq4DZ1ybVYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)