INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '915535b95e8eb0dd09ab2d7e9ce3bcf4be2ff0d4d0e9fa28333bef702f5918d9', 
    'rr9eNowGHjdHDfJ46PzKyB+fYbmzbsIDwMWPT1PyFng=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)