INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'df78dbe78026a1078f8eb9e65e113585d03fee526815dbdc7a19f1cf3e19e174', 
    '2xkfJQshJgFDDICPvppOtiJhrCQiqIyIesfrQ6VEYT0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)