INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1551609948d2e1554cabf827ef87a3c4fe8874f9023821b40b390d4be9a27ce8', 
    'Iwu0x9oJ8w+qX6e3K5I2gHtn5SA5umqfIddWZqiMzgw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)