UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z+yMeYYKuw7rtVuNxpebLYsuEu29Hc8KqWMwNPKlXGw=' 
WHERE 
  key_id = '51d5f52559eb3ecf6d1b4b4d7ed5e2d82eba93876f11e35b967e75b071c6d143' 
  AND (
    token = 'z+yMeYYKuw7rtVuNxpebLYsuEu29Hc8KqWMwNPKlXGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )