INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6ba2665148a7f8da58962a2096e27bcea5856947a76f7a178b7cf79e9c6d51a', 
    'shK+5I5VVN2WeCRBuv8wJrfw4qNehkgiCZNP89kHwpg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)