INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f99c6fe3ec03c73c8014950a6e1357fc7bb3369377865930f476bc41e693df0', 
    'nx2MPSQ8ZuSeOfMOo3wSQx+slTTELcvFQOG2MrurrEM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)