UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qRYRHZdLq4LuO+ug7ckpfO1sXIEXQK465qzAotiGFB8=' 
WHERE 
  key_id = '473df51680bc25057a5fcd7797ff949a25e6dd1c2c4be235688f7e7c44d6533a' 
  AND (
    token = 'qRYRHZdLq4LuO+ug7ckpfO1sXIEXQK465qzAotiGFB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028