UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e6ejNIMlMr5axD61GxAfXuGqc/ZPfwcDLk38uOST5s8=' 
WHERE 
  key_id = 'a8c50ff9e46ce3b0d75e2f9800823f79d0f854f199312ea33aa3039a673a8425' 
  AND (
    token = 'e6ejNIMlMr5axD61GxAfXuGqc/ZPfwcDLk38uOST5s8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )