UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R+4poaBGakNXoEk/Vow7MA5CPU2nChpaEe556FozoOA=' 
WHERE 
  key_id = '83fbf583e71f97ec77a293451ea9531b3c6baca4e1238f7434687970848c431b' 
  AND (
    token = 'R+4poaBGakNXoEk/Vow7MA5CPU2nChpaEe556FozoOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )