UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dhDQ5ClaD7IBjpMN6LWTLzErZq5EQfKtWMQllrssBAs=' 
WHERE 
  key_id = '1251a880918cc52de3e6e4f644b2c6365bc960aa756c1dfce15e71ad987f8bd1' 
  AND (
    token = 'dhDQ5ClaD7IBjpMN6LWTLzErZq5EQfKtWMQllrssBAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )