UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eI97SYIhGmh5tTHvKmu3Nz0oRmagZWnAnNJDqCjvyUk=' 
WHERE 
  key_id = 'b140e721846d194f844933bd1acaadefff3959c52d6fa5266f678efa5f20f660' 
  AND (
    token = 'eI97SYIhGmh5tTHvKmu3Nz0oRmagZWnAnNJDqCjvyUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )