INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dcd8a013152d093ae6d956975913c6fe8b5414a891f5e9499773cfd269439c92', 
    'k3Snsayj3US3E3BdqY6vHfeEpRaJbWiYy825uYM4X+E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)