INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '503ec3bdbffce251a398a7366cfeb2c74d7341e973b832150ef19cc426b73167', 
    '3rp2ao9ZfTTMahdOA9QY9FVuWZjFt9eP3kmu6COPli0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)