UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MEKXVxWkaWKrxBSW2zP5RmOFFwVQUp1sTFahVxnazFw=' 
WHERE 
  key_id = '5cb9d52d7a86c33f069ad4782755f90ade57eb49b5925b0ce1c8fcd5563ee512' 
  AND (
    token = 'MEKXVxWkaWKrxBSW2zP5RmOFFwVQUp1sTFahVxnazFw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )