UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/VKNUy7yC8XV+pRoov2Bh4JsSyrqTymc7B4CcBVYGU=' 
WHERE 
  key_id = '639605ebf61016515c460df7f16b2f75c543c55addf311f36f8fe063f8e62e63' 
  AND (
    token = 'H/VKNUy7yC8XV+pRoov2Bh4JsSyrqTymc7B4CcBVYGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )