INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15b536deb58306ee2eb8cf070ec8a21333515b864990731297848e2d755ee1e3', 
    'fAovs1WxKWgExWnuGd2JMj9hLx+q/U0TE2GSdXggopA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00016

Result

int(1)