UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G3cOhaSuymsUsOA5gyfXVBWcEf6dCpL5qEt1xsiDDns=' 
WHERE 
  key_id = '42d8609d59f78d9dbb394a10e6b7525914b0c0781c0387308699f84429746a7e' 
  AND (
    token = 'G3cOhaSuymsUsOA5gyfXVBWcEf6dCpL5qEt1xsiDDns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )