UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xc+KrA2AZhvHPhvXQmtXAFN0ceKh8fL34gKUKS0JK0A=' 
WHERE 
  key_id = '6a7e9b54be173b65ba7dbb4fb8735c77a2edd44d4822db3157651702bde1f448' 
  AND (
    token = 'Xc+KrA2AZhvHPhvXQmtXAFN0ceKh8fL34gKUKS0JK0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )