UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rusH+dSe+vAa0Com9dpeti7XzAuvNHonkNL4AGwNLjE=' 
WHERE 
  key_id = 'ce3c2afc6005d997e6c604c9f4fff8000d64dbd932ea6d9a1cb05bef5c13bc4b' 
  AND (
    token = 'rusH+dSe+vAa0Com9dpeti7XzAuvNHonkNL4AGwNLjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )