UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BpwHCQhGpIIYDr6U097bufrxPIZVQxjXC7nSasCRGts=' 
WHERE 
  key_id = '30e27b4aa94d4bd1cd24cd4e13148cb86d3f33c79bfc877e5e96821f7239afc9' 
  AND (
    token = 'BpwHCQhGpIIYDr6U097bufrxPIZVQxjXC7nSasCRGts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )