INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6428b44a799d0b2beda716e2676c76a8e15d7ca1b76d250991caf1930499e53', 
    'MZCYWDO/1lxbbNeQdSx9xcnKdrzEKag3XXr6QAWtsEo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)