UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yfXXkqZZAnmL/Uxz+qVWYOVU+F81i74CBKHcyG+Jwr8=' 
WHERE 
  key_id = '971803b61dee8266fa42dd4b8e097053c0a6709f4fb541ce0bff7702f69b2400' 
  AND (
    token = 'yfXXkqZZAnmL/Uxz+qVWYOVU+F81i74CBKHcyG+Jwr8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )