UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's61Z+f6fXPJwk9xVS+LlmYrp8HtzXtkL3ORg7lJffiQ=' 
WHERE 
  key_id = '6789670073a4e9d894a5e95b22b41c5f4cca7b9166fdb6ddf8e917ec86cf0b4c' 
  AND (
    token = 's61Z+f6fXPJwk9xVS+LlmYrp8HtzXtkL3ORg7lJffiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )