UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MZmk4b6uBrkrcqPMIvubrxqS//6jkKeQsUwEzOl3nis=' 
WHERE 
  key_id = '1215f95afe28eb0a8687403533f5012b0741350ff5116937700071b971fd3e96' 
  AND (
    token = 'MZmk4b6uBrkrcqPMIvubrxqS//6jkKeQsUwEzOl3nis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )