UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfPb2+8H31Dg5XFRAYxqzMAAFjNv0krZ3QreU6LGqzg=' 
WHERE 
  key_id = '792163fd5b17de607589d3fa918306a0d8938362667e15c96b194fef661df056' 
  AND (
    token = 'zfPb2+8H31Dg5XFRAYxqzMAAFjNv0krZ3QreU6LGqzg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )