UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+b+MyMQYA00g8XhmoZg1wdnQ1B9fXqcdPOQhaUQYDPs=' 
WHERE 
  key_id = '492423b802671beaf515300892759908de8373abe3ee41d0d5b161aa2d13dad3' 
  AND (
    token = '+b+MyMQYA00g8XhmoZg1wdnQ1B9fXqcdPOQhaUQYDPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )