UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kh6HYQAIe74v3F50WmZf0r0eNHHYM9bt5BSpAa1A/Ks=' 
WHERE 
  key_id = '6f5017b1c483bf3d5c5cda0d2a82e712c0fda9fe6adb1d64771a9d6999a312f8' 
  AND (
    token = 'Kh6HYQAIe74v3F50WmZf0r0eNHHYM9bt5BSpAa1A/Ks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )