UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dKg5np0mHlffF7k73k8FeroUSBdIreS4eEdceBTf2KE=' 
WHERE 
  key_id = '8269b3a8c5e619d876d34b43ff3ed8984629688f346ec993ab70e51734287576' 
  AND (
    token = 'dKg5np0mHlffF7k73k8FeroUSBdIreS4eEdceBTf2KE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )