UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HHp21Ub40ZCwu8FK7e4iSUqATM6SsqeDqSW52majxJU=' 
WHERE 
  key_id = '3a404fc0fb999fca4e61e34a421a0290e165c3df52191eea32639795e589b9d5' 
  AND (
    token = 'HHp21Ub40ZCwu8FK7e4iSUqATM6SsqeDqSW52majxJU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )