UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VRXkVC9EKFwfFGUXHqwQUA3QBv2FX7FGuGbUKN55vac=' 
WHERE 
  key_id = 'c83a5c7c0e297e465a80fb03c0201dc299774180ae15a3e3f587194da40b60ae' 
  AND (
    token = 'VRXkVC9EKFwfFGUXHqwQUA3QBv2FX7FGuGbUKN55vac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )