INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '847403b18d54bc64bf3458d800a9068b16391b51e44a7f6ba9812404830fc670', 
    'Si41smhy9sb7YTr1bf2CuMOrbPi7yjOtfKUWuZhgmTY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)