INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51bc641788774762653ed842f0090c13f865c3993d6a2a864d9c4132bb10f5e0', 
    'Avg52j7ccrSWqkVEABCxYg+0KP5zmdeQbCnF273b+tM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)