UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wmzJYNIJqmxdNMsUknFAQ2LiPTLRRnb9YpsnLIE5VU4=' 
WHERE 
  key_id = '239a855466b99193730c333378aadc95f708e581cd690b3d2d7a34f94844936d' 
  AND (
    token = 'wmzJYNIJqmxdNMsUknFAQ2LiPTLRRnb9YpsnLIE5VU4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023