UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xlTrErfPmG0W4GJ91DKBLAbJwKmfEjTxt7U6msRd6Zc=' 
WHERE 
  key_id = '94678456f4a84c03ae1194838a445b0cd0329e46c729890c31c898f235e32eb4' 
  AND (
    token = 'xlTrErfPmG0W4GJ91DKBLAbJwKmfEjTxt7U6msRd6Zc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )