UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Naqw/RuCCtT3IfwrZXSRE5AXymhkKgBYx6fCsipWIco=' 
WHERE 
  key_id = '3c97a52eeb2fd648091877e099e2d68b47f36c8d5157a21768368d24c8d94f31' 
  AND (
    token = 'Naqw/RuCCtT3IfwrZXSRE5AXymhkKgBYx6fCsipWIco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )