UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X6ygKC9DKTtKHzfT2XouhBQmkdKkZL//38GSVg3JR6g=' 
WHERE 
  key_id = '21b750e74787fb08acf3ea74e9a3c14c51a439c3e02db4f1d61885ee56495980' 
  AND (
    token = 'X6ygKC9DKTtKHzfT2XouhBQmkdKkZL//38GSVg3JR6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )