UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I/KJQ/khHtEhiA8XBviNnUGLdVm/31wR4bqaomOUXDo=' 
WHERE 
  key_id = '68c53064140be92d1b207678c803e3f53dfabaf0cffb690aadda0f0977e76ab7' 
  AND (
    token = 'I/KJQ/khHtEhiA8XBviNnUGLdVm/31wR4bqaomOUXDo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )