INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3033b3fd089e4bacf80ecd1591a69303ae7e836426e519ceecd3ed1553e544d', 
    'eM81BnYP5nAeTuwXOzp6ZlEV08sRj6bfKlQBgmVSWkc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)