UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Iwu2n0jMhFcBZxOoJHRWvzmdW/bdNYy8P4VmvSAzcXY=' 
WHERE 
  key_id = '78e73d08583dc70d4a38141bb21bb376738a1400d7b3027f522f0c7cd7bde570' 
  AND (
    token = 'Iwu2n0jMhFcBZxOoJHRWvzmdW/bdNYy8P4VmvSAzcXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )