UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8rT+0km91JnqtYuX0pjeU834nhOxz7mz8B9NvUoVRyY=' 
WHERE 
  key_id = '6a88139eb017b0759804f5873673b7ee6eaaa5b59bc20988bd532729dc8d0e17' 
  AND (
    token = '8rT+0km91JnqtYuX0pjeU834nhOxz7mz8B9NvUoVRyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )