UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b2aXdQNotCF8APJY33dNdbKrnkHUfwmYx5DVDqwI7MA=' 
WHERE 
  key_id = '6eea7dbb38164fea1b260191f2b0671d340cbd1a30d087b43c77a8430d47b43f' 
  AND (
    token = 'b2aXdQNotCF8APJY33dNdbKrnkHUfwmYx5DVDqwI7MA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )