INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9a4ff39c9a069ffa7454a3a4d87b39befd09c03e96909a3c1d1cc73ba4ddae52', 
    'WRGXG4VnQnBb0l0nQjAjSWYxpw1kxULEDIobWtrKmG4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)