UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnjGY7EzC3guBqFP8JuilX2mmQ3fWzLJZfkiNQaP3SY=' 
WHERE 
  key_id = '92ed0896140c4839224c6a5f097909c41a835b0544f8d86fccb9563b6488ef43' 
  AND (
    token = 'ZnjGY7EzC3guBqFP8JuilX2mmQ3fWzLJZfkiNQaP3SY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029