UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nag5T5K1A95u031RhG3pa+saZNN780G/+mnoIgxMghM=' 
WHERE 
  key_id = '2c40c21ec5c2724bcfc3a0bd6588792075bf2ac9c813232322154d992fcea595' 
  AND (
    token = 'nag5T5K1A95u031RhG3pa+saZNN780G/+mnoIgxMghM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )