INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3304cfbaf0ba76bed35ffd8d5371824781e337f76eed2d7694853daafe7aa6b2', 
    'p7/08rD/iNk1/y1apLXtyG+LAhe7d52Q2on0H5kjzVY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)