INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '475e63c60554de3650bad873255ea025f1428f78599fda409732544cb8d6f98f', 
    '4UKOIVVvTkI/jWCijFUxGwOSRNjQ/My8X1y0Dv04QLQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)