UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MU/kDv/p8lEH8iFfFF4h8RH1pActiG5ULMQs/+nKCe0=' 
WHERE 
  key_id = '557d67106e33d13c3127a404ed6d0ad04033246f81507eabe0718b15dda7d5e9' 
  AND (
    token = 'MU/kDv/p8lEH8iFfFF4h8RH1pActiG5ULMQs/+nKCe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )