UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YDeI3KX2cIpvVkhCxhQeJ+zZ9VXbC7NLVUyTJ5EQtkI=' 
WHERE 
  key_id = '2b271ccec35da1737dd39a4c0b1d6b18071133ca7f33da1698cd7a1b4bf9e238' 
  AND (
    token = 'YDeI3KX2cIpvVkhCxhQeJ+zZ9VXbC7NLVUyTJ5EQtkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )