UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PWBxqI0EsfF7DSVPBfAR1/4LJOymXDHIanTSFAY7uE=' 
WHERE 
  key_id = '6a78b2649a4ac9acda5f822111d1b838c651751fb89184c3c3c2eeb56657d94b' 
  AND (
    token = '8PWBxqI0EsfF7DSVPBfAR1/4LJOymXDHIanTSFAY7uE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )