UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '71XxDytinLdHkdqji1EryprYY2o4LAGkB2NWeOco7Es=' 
WHERE 
  key_id = '76f0957ef1ec9dffa82bd5cfc53873bada7382248b09521f2fff3aff91ba8ca4' 
  AND (
    token = '71XxDytinLdHkdqji1EryprYY2o4LAGkB2NWeOco7Es=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )