INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51cceb9c241e3adf846b27984e019316eecfee8eb1143d25941c6a45477a0eb3', 
    'QwY7eIjHJuft7LIhsqZlbSLrhynJu6hgMGZigD05Bp0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)