UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ezh6+Iaa4S/BtxOZwKkcxy6widrCeKWVupv13jlhJJk=' 
WHERE 
  key_id = '1ea0cfb526e557f3519a9a8d358fdc190a36fb2ffd6f54b8e9558bbc0e9d0070' 
  AND (
    token = 'ezh6+Iaa4S/BtxOZwKkcxy6widrCeKWVupv13jlhJJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025