INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '306a43c4e834df193887380549d424af038abca83739a594a07990a2ded41ed4', 
    'jZnShlK1iPxf5M4VvsahKTpcadJ1Bw4w0/AuuJxyB8E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)