UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2+9CT7sPPomf75LU0nf439sjoVsD9mIwCtZ87AyJF9c=' 
WHERE 
  key_id = 'a4e881df6f3b6171757eb363539325584525592e3b88130a0f0e176b674a844d' 
  AND (
    token = '2+9CT7sPPomf75LU0nf439sjoVsD9mIwCtZ87AyJF9c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )