UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T2BN1xzp9bd11Vwry9mB8JjbM0K8oHbU3oeDtmlJv4U=' 
WHERE 
  key_id = '21c541c8dce26231607b99c46133134eda3980f5354842850e4a257aecc0f2df' 
  AND (
    token = 'T2BN1xzp9bd11Vwry9mB8JjbM0K8oHbU3oeDtmlJv4U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )