UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I/uy2K1drDqvk48W9gYT07/b//nHX3vXC9345bgFYBk=' 
WHERE 
  key_id = 'e3bda8125e9f173a672de1a34bebcf899b2ebc0e96b1ad9ab404b77eb1e306f1' 
  AND (
    token = 'I/uy2K1drDqvk48W9gYT07/b//nHX3vXC9345bgFYBk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )