UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mfd/KBg7L0c8iEGePLdbpOKo3PaJRiToHqf/6MKfA/c=' 
WHERE 
  key_id = 'e8c9e0bb30438791f0ff8062ec1d1fe2fdfb5cf241d4ae7dc5b19c3764c9fab5' 
  AND (
    token = 'mfd/KBg7L0c8iEGePLdbpOKo3PaJRiToHqf/6MKfA/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )