INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7543f8cdd5d235ac3d2295777bac0b52dd30a7c503d9a4c543e117b964bf2a99', 
    'a6UH2NmFrxb77GTehN5QAJ+YWcFIniGcp4bF22XZVQ8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)