UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDGVqSjwZGdC4cgD2hMos8nEcJr4AeuMwLiOfTAIoHM=' 
WHERE 
  key_id = '4e439fbc40aba36fcda17e0ba64e21d42ab407f6e85e2e087f71a9d44bae2993' 
  AND (
    token = 'mDGVqSjwZGdC4cgD2hMos8nEcJr4AeuMwLiOfTAIoHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )