INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '514d51be9d38cd9e38021471d87f78b70b815ef08903b0e3102b204bfcab0d67', 
    'oymzuGANGMY2CIIUjWwgKL5ByC23ji6/MWWdrkdTnTg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)