INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28349c37d6b3ca9ca1b8b8593723163ccdcd8e75428f5022aa7c37423012dc4f', 
    '2nXmC9BWZh7xdQrnxpFZPzlo6+aoa34u+plKLzrME0g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)