INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3e337c17861a748066416d58538c09090f8fa2dc5e928711fdf5668816352e8', 
    'LQjNpApgDC+ru0st/J5VfxlTRANgwR0yhunS5si0lwA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)