UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51CuKkLX4CuPmAyli2jcd5kc7tU2E7Nq2MyA9NB5ZPA=' 
WHERE 
  key_id = '1b93e09a49e4c18b80d40d2c7fab92abc1fc4dc0a7b54439c3508266303e7e5a' 
  AND (
    token = '51CuKkLX4CuPmAyli2jcd5kc7tU2E7Nq2MyA9NB5ZPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )