UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lm10c5rwSVmRmImGI2h0Ib99+CKGOm0cB8BcA3YghAo=' 
WHERE 
  key_id = 'c78b01f60257e0ce3fdfd7940f3924c6f27565de5cd858695e916c5574478286' 
  AND (
    token = 'lm10c5rwSVmRmImGI2h0Ib99+CKGOm0cB8BcA3YghAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018