UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dQ94B0+tLBcvCDXIduGVGRQHg0khvjmBB0AE4JrvQmQ=' 
WHERE 
  key_id = '81e2495d642bccd54ced71a5afd5d9462632c112e758ddb5316d977f628938a4' 
  AND (
    token = 'dQ94B0+tLBcvCDXIduGVGRQHg0khvjmBB0AE4JrvQmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )