INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15974ba926e346a08fa03f98a7d786f2526fe3dbcee571113de7f3de376128c2', 
    '7P2r2QYB//dWyomUXlDhIEbg/8qVeHruvLUf5VEQed0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)