INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '539f31bf6c0820c4316d24e1601597aec5e5be1815f62297af571c5335b5ad0d', 
    'g6Eni99QgvKHyJPfy21qo//HnpM3VW6eYWfaBmd0xX0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)