INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7bd479a3faa1c8929a1ece6bf1e9d3635e83cf0e53e43644c664d723528ee92c', 
    '2SzGymeEI2tWTLpatnX6jg8HG3QYTTIQhreInBgJjTY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)