UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4g9S8eEAKD23lUkPpZefl6czmAT8lX+q5cA1ov+w2qo=' 
WHERE 
  key_id = '31ac21a7fb900fd979b970729d14ede473f9e48e76ca734b70181298280d62a7' 
  AND (
    token = '4g9S8eEAKD23lUkPpZefl6czmAT8lX+q5cA1ov+w2qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )