UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zYQex0FHs9lqlTRF8m6qp4x7g83xvqPIBap2mcdOdfg=' 
WHERE 
  key_id = '21d727d24e3263e051383cd0f3fc627f2100615ea51e397d5ea6166bff746866' 
  AND (
    token = 'zYQex0FHs9lqlTRF8m6qp4x7g83xvqPIBap2mcdOdfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )