UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IU3T5H7pju72tW4aUdmwoX+rpQjTUOAfHXRTkXsEvnA=' 
WHERE 
  key_id = 'b5d116700589800e1375a014fe56275886c0ffac673fd06e1f808ec58327bd8a' 
  AND (
    token = 'IU3T5H7pju72tW4aUdmwoX+rpQjTUOAfHXRTkXsEvnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021