UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't1ufOT1LGY2bRUDD1PYf8EtYImwsDZGrpHv8Y9Qe2WE=' 
WHERE 
  key_id = '68dda3c08d30fd61e59362e04b888262718d4be3088a4b61fdc57ab96a834d1b' 
  AND (
    token = 't1ufOT1LGY2bRUDD1PYf8EtYImwsDZGrpHv8Y9Qe2WE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )