INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b8740fd55a5176a8dc8e1b37689168f27648d8056a20c3908a194e7c8a23811', 
    'UVXJRqg7H9OIwYLhgBm949uRBPQ5eEhP+tFZ44WDpuY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)