UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9gqMTHGVEliwI1vpurDiyrcxWmYzvxnhqUsAlGYdSFU=' 
WHERE 
  key_id = 'b1a467dee7a1aec9136fbf751a3cc4b0ca9a0fa7575393e69b34cdfc064b6fa5' 
  AND (
    token = '9gqMTHGVEliwI1vpurDiyrcxWmYzvxnhqUsAlGYdSFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027