INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c4a81a0534f7849980b21b21151f63278e14b0d0aca42b8f146cdfeda36003c5', 
    '46I02IKFz1T0cEb6eUVCpbbKl18Np6JjiUki09iykss=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)