UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'szxn/IpKlmqdwWeZ+pg6A2wyQ+B8Xa4JYt2pm/ABv3A=' 
WHERE 
  key_id = '4f4be06a2d757850aeae594111580e16ac654d824f0f1690b9bc4d061af532af' 
  AND (
    token = 'szxn/IpKlmqdwWeZ+pg6A2wyQ+B8Xa4JYt2pm/ABv3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )