INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81c459017d31961d5f2127793543c81b169c94ac064d545fc81afe743cd2edd6', 
    'Q+nhVGxhhqfXPsRUdkVI6S0vNBSKmiDaIZmzg2Eojp8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)