UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lpM9GxnfVqX7oFjasRAYwuzaAnSuI24ofm4zuWkVTn0=' 
WHERE 
  key_id = '8a5cfc229ac4af41df48c90a19ac6ca7df6f2d81037924b3eee75a1facbab396' 
  AND (
    token = 'lpM9GxnfVqX7oFjasRAYwuzaAnSuI24ofm4zuWkVTn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )