INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b50bce16ee6ef59bbfc1551200929e967029293bab40971bbc3bb2f9f826f2a1', 
    'sss7tkbMFb8QPStdk8vc9o91o7zDwnIWdhh4BOBhR/U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)