UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buxptQ6O51TN4ZD6GEtXnR1S7sOh2YUqGkLOkM9ETQw=' 
WHERE 
  key_id = '9194ee94a9f8d3840096804849b8f701c520f80197c424059285debdc328fa44' 
  AND (
    token = 'buxptQ6O51TN4ZD6GEtXnR1S7sOh2YUqGkLOkM9ETQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )