UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oQiKxUcsV5NIv8amBxlNjsw/YyldZ/W0uyZ3nrgh8pE=' 
WHERE 
  key_id = '70c17affe232dc8823b0f4556f975b0b4355086a13ef3fec7c12ffe1c6ddb416' 
  AND (
    token = 'oQiKxUcsV5NIv8amBxlNjsw/YyldZ/W0uyZ3nrgh8pE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030