INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '31afa2a6382a9640099d25a418c544080d6781f0f3178caa03df61c01c7a1571', 
    '88+erJBxN3QzEvAlNiqB70GlQRxonc1/eoaaemQ3vdo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)