INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51dc0055a48558b95f96d5da927aef82d8412669f60e609b815995fad415cf6e', 
    'Yg3Yh5P9i63Gm5OXGnG7Ubq4c8xa4JnBEVnH8kRJ0fo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)