UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xDdwNjme0O29fU4XFKEgI5Y/ZZzAuOpAsEfqR/W4Q+A=' 
WHERE 
  key_id = 'bbd090fbe2b2cc1a770f530c36abf08415d96b1a8f6b708c75b9f1c29ba73b17' 
  AND (
    token = 'xDdwNjme0O29fU4XFKEgI5Y/ZZzAuOpAsEfqR/W4Q+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039