INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6525730e5bc57e610e377a85606f5e2c8e943373e59fec010543e5cceb01f694', 
    'DN6k17eLHqKInYLfN0f01wZdixq8xZvtNOWu90TCZZ0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)