UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'MD2QE9CuE7sC8smoKwFdramI1fr1XBgzu9hlxikJbVI=' 
WHERE 
  key_id = '24746beb2875c99334f0a927e7604e0ed64e105919cbababb291420f8d9decfb' 
  AND (
    token = 'MD2QE9CuE7sC8smoKwFdramI1fr1XBgzu9hlxikJbVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )