UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJBjiFoT4ft4qrafVKFDbYWUw1bLQoF+aGsudAcrX2g=' 
WHERE 
  key_id = 'fe372dd52d0f7516b6ef2b3cd5fe38aacba5c711f7ceb8eac10915d60ee8411f' 
  AND (
    token = 'MJBjiFoT4ft4qrafVKFDbYWUw1bLQoF+aGsudAcrX2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )