INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50aa74afa0816631f7d9a58cd4cad9d99675f52c5a0bc08d3d3b4602684852e9', 
    'undUMTjfS4T3efaa6QXmOYZ71LcqvTrDwhcJ8rBu08I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)