UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i+irVGFrd3oIesq95GQlZRN4trxplUp+fzkUVEVvYxk=' 
WHERE 
  key_id = '935720921d15e862f7f0ce3631c693ac0dc75c8542badf6f05a0ff08e23d3598' 
  AND (
    token = 'i+irVGFrd3oIesq95GQlZRN4trxplUp+fzkUVEVvYxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )