UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x8bBIkp2NwOhPff7GlVZzcvnbIEn4S84brmbBVnc8BE=' 
WHERE 
  key_id = '9a35853fc7d89477f86090a71fde2932248b60800884a3799d197f675291729f' 
  AND (
    token = 'x8bBIkp2NwOhPff7GlVZzcvnbIEn4S84brmbBVnc8BE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )