UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Avg52j7ccrSWqkVEABCxYg+0KP5zmdeQbCnF273b+tM=' 
WHERE 
  key_id = '51bc641788774762653ed842f0090c13f865c3993d6a2a864d9c4132bb10f5e0' 
  AND (
    token = 'Avg52j7ccrSWqkVEABCxYg+0KP5zmdeQbCnF273b+tM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )