INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d79825f348148023bede6a77d05b4a0b1dfe70e108148afbec67430c0701ca4', 
    '1IVO28ARuAeH9F71KXrOMTBdN3I5eB9IWWWdehEM684=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)