INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b031c243f730f179aed241e5e322e55279bd4e6b175c54bb8999f6b528173f', 
    '9ZCTw8CxP+NKEYdNzTvOWYdP5ePybRe8OWDco+8Bdxk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)