UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xhQTgIFLTzz7FWBIoWMlrLfkqRj81+/GhTdvb0YFIeQ=' 
WHERE 
  key_id = '8c16a2862e83cbe682d848631c0baee46f28f0e6e47e38c07dadedcbfe95ad53' 
  AND (
    token = 'xhQTgIFLTzz7FWBIoWMlrLfkqRj81+/GhTdvb0YFIeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )