UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6abZ8udtMyJeMTiqkdnScXzxo5aHDn738w5rP8Qo30=' 
WHERE 
  key_id = 'b456d1f7b262fdfee6f93f2250d27a37e5bee04229682e04174793adf8deb217' 
  AND (
    token = 't6abZ8udtMyJeMTiqkdnScXzxo5aHDn738w5rP8Qo30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049