UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6EF10BF2hbr069Uu4qZS39Gp/fhatTvsT23f4oggFU=' 
WHERE 
  key_id = '50819b4ff6e8046ad741d53c73c52ba0b29ffab250ab32343fea660350995f87' 
  AND (
    token = 'm6EF10BF2hbr069Uu4qZS39Gp/fhatTvsT23f4oggFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )