UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zyt6FiRwt9A9miA5hjQb0JoCeFE2jTpyQAPqehOndHg=' 
WHERE 
  key_id = '8c81a7a169c5322d83b1c86b5b131da6c6846e4e59f3a8748c398e2c36ce5c7b' 
  AND (
    token = 'Zyt6FiRwt9A9miA5hjQb0JoCeFE2jTpyQAPqehOndHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )