UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2KzZQ4jxGQvDTeDXNFXqvjyOp6xLt1EMqo7slo17uyc=' 
WHERE 
  key_id = '4bf18a92584351848307c7123c1482d2f38bd22ca6eac0ac50ed28d941550a54' 
  AND (
    token = '2KzZQ4jxGQvDTeDXNFXqvjyOp6xLt1EMqo7slo17uyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )