INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21f3e429790bda47f1257c6d3e254f21c6148eb6bcc313b1e1d7162f50270f03', 
    'C3LEJuZHJHGTAiln13zeWZxmqa5aUrd/GYNQ9wI0PYg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)