UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQhIaEyIj9ejhWx66CnRVoeLYvEHY+kD0+3+ZrLx0LQ=' 
WHERE 
  key_id = '8f7c590062a1cd56bf24586a7c3789cdd81f7a9d6cde64c843a0195e839281cf' 
  AND (
    token = 'RQhIaEyIj9ejhWx66CnRVoeLYvEHY+kD0+3+ZrLx0LQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027