UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QW6b+ySWkMIqdsF7fVkm9/MrBpv7vpT2vObrtAWYnmE=' 
WHERE 
  key_id = '9794ca15837a02ef5b1f68414827d248c810161ce30d26ced1f14164fdad6386' 
  AND (
    token = 'QW6b+ySWkMIqdsF7fVkm9/MrBpv7vpT2vObrtAWYnmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )