UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4yOMFQ6uowsUkBuEiu90w58Fv7SP88oz0z+RSdOUYU=' 
WHERE 
  key_id = '4a2455d7abd2377405a008eca0618b2c5efd03bc3550ab7eabe02ec341b3b875' 
  AND (
    token = 'Q4yOMFQ6uowsUkBuEiu90w58Fv7SP88oz0z+RSdOUYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )