INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a83838e8d78e8e7bbf43663e021d1e16cc62bcc31908d215e000d638a9bf29be', 
    'xhP7VL4rqo2eDuHyrxLWJBCDA20ihbGQuGej6W3sJDI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)