UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ULv1QW2l9XNo51FVlgygPoVAszq4UHa0C+CaehVjyHs=' 
WHERE 
  key_id = '975b37fb634d918b1823310e97d975d4e6c00289d95f6089e85e9346f6277e11' 
  AND (
    token = 'ULv1QW2l9XNo51FVlgygPoVAszq4UHa0C+CaehVjyHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )