INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4903be03d2c1c559e57cfb16815bcb71fbd1f99fd3207896468e23feb34dcb97', 
    'PDY9a7C2sNNUwAF2KW6tKvvmwQ16nPkrDK4AzO2UxGM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)