UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPZxhEoGEw9JVotrHS9+j29JKNZMTrw8pbo2x8h3Z58=' 
WHERE 
  key_id = '070b7d91bf053a76302f2aef6202edef2970d49cc07d08280791fdb037103126' 
  AND (
    token = 'QPZxhEoGEw9JVotrHS9+j29JKNZMTrw8pbo2x8h3Z58=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034