INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b264aadc2b296558669d3b1e1a3d53bc84df4c687aabb69d5801333999a78cb', 
    'mh6jxnF8BwVD6QcfUxy9eDHcUPTIJeS/BJ1+KyCp2NE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)