UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2u36/Feg2z+8ytIbXe5IwvhxHgNGR6EEhI9eIFysUc=' 
WHERE 
  key_id = '4670a39c7159e01f29a513818716904fcb4372036994eac4a292329439b50927' 
  AND (
    token = 'K2u36/Feg2z+8ytIbXe5IwvhxHgNGR6EEhI9eIFysUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )