UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TuSd6zCD+aVcaI4z3rKkLl+049h6NffPUQcDI8y7ZdI=' 
WHERE 
  key_id = '6735d1a146f840e68a5a7201f80d5720e6de9b00ab43eac6b93869b6fabf9423' 
  AND (
    token = 'TuSd6zCD+aVcaI4z3rKkLl+049h6NffPUQcDI8y7ZdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )