UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lDl+HcZlkFkyo57XRXEqPb9fbozkA4RXkWwX1XssnzY=' 
WHERE 
  key_id = '549079e275ddb30df9cf76b013676e467f93a0f484b54f40244267a37e61f243' 
  AND (
    token = 'lDl+HcZlkFkyo57XRXEqPb9fbozkA4RXkWwX1XssnzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )