UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Et1gjqx3buwf6H2takZEw7BZmJJ5xYX6+qAjx4RY4wo=' 
WHERE 
  key_id = '5f51ee5e46c204cc4f4a239c12bcdfc0c3a936e1df301c09737282275c39d929' 
  AND (
    token = 'Et1gjqx3buwf6H2takZEw7BZmJJ5xYX6+qAjx4RY4wo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )