UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KtUYCpqlLQfMBp4gjEMQr4mrKVoqRNBpyRIY8W0alzY=' 
WHERE 
  key_id = '763c26dd76aa345867cd3cdb2d62effc0d2da2a4ff65c30944d6f172f4640989' 
  AND (
    token = 'KtUYCpqlLQfMBp4gjEMQr4mrKVoqRNBpyRIY8W0alzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )