UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oEwuDsZ6iJTVZFOw0CIiMjlkYlaDALBhtzNMWkYykso=' 
WHERE 
  key_id = '50a58779989dbaa6b1104c2cd86c333021deecd8e47e20daa2f98f9f52e75eb3' 
  AND (
    token = 'oEwuDsZ6iJTVZFOw0CIiMjlkYlaDALBhtzNMWkYykso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )