UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mep6diIlFRQn8iZFE7CkhGueeNwHw9xVZYmZtxst4qo=' 
WHERE 
  key_id = 'c491b582d5e4149401e9fb946260dcc0122da9332abb8cb86ae90795aacc6f5d' 
  AND (
    token = 'Mep6diIlFRQn8iZFE7CkhGueeNwHw9xVZYmZtxst4qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )