UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WZh4fcHM78ux0s+QW42jgEBha8ZaDcI2BfcHTd4+rZw=' 
WHERE 
  key_id = '1819c2a5faf87e9f5c49d7c5a41d5aa00d72e354b51e31f7dca8043fab788fd9' 
  AND (
    token = 'WZh4fcHM78ux0s+QW42jgEBha8ZaDcI2BfcHTd4+rZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )