INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50cad570ad37515eb0ff7ce09a7bd84a31638f8d7d3857404586a918559b5b91', 
    '4OqsIDGhrzy4rrGSxICzAfgr8ncBLRGmXRyfpVq15TU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)