UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxqpGCWKIWf5ZnGtbSYqa6M1zdLp4DtCn/Rm/N//zMk=' 
WHERE 
  key_id = '496682527caafc5293be44475021008e36327b0876c21160a33129dc75a6acd8' 
  AND (
    token = 'vxqpGCWKIWf5ZnGtbSYqa6M1zdLp4DtCn/Rm/N//zMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )