UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2OUnZsKinpsnYOzCL8bYBkf+zM3/JBBtDkjQGFE/OM=' 
WHERE 
  key_id = 'a35d46e6b3717fe7b30ee275718f5894ffb9bf5b64a1fa4794ba42ef5be16be1' 
  AND (
    token = 'k2OUnZsKinpsnYOzCL8bYBkf+zM3/JBBtDkjQGFE/OM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )