UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UvnBl/xvfQqCQIMw4KfO3HuEWJ0VcpOif3fU7JZHabs=' 
WHERE 
  key_id = '3f21d7511efbe47f81d5446c11ffd0e80671fa993ac5770a64940ed8a2da15b4' 
  AND (
    token = 'UvnBl/xvfQqCQIMw4KfO3HuEWJ0VcpOif3fU7JZHabs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )