UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/w6rf6aONdEX/0uwN6HnXSjOdrXMtz7LlpQJKyd/rnc=' 
WHERE 
  key_id = '19fe842b1c6771f4aa890ca1702d255e1040ff5b619b174aec50957c4b3e2553' 
  AND (
    token = '/w6rf6aONdEX/0uwN6HnXSjOdrXMtz7LlpQJKyd/rnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )