UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XouAJbBn8dfl/UJktY7wuDsV5RuGhmSfS8r2BwIrCJs=' 
WHERE 
  key_id = 'b6ded16ca84c2173d51052ff712a159587f5040d458c394ef988a2f27418598d' 
  AND (
    token = 'XouAJbBn8dfl/UJktY7wuDsV5RuGhmSfS8r2BwIrCJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )