UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hX1hXq/55QSBvZ9pYo2TTfoWy4/02skucTY3ednZ6/g=' 
WHERE 
  key_id = 'c5e9f19c652681be53a675a21edf3c83563925f67721dd9e9cb3433d4fa75991' 
  AND (
    token = 'hX1hXq/55QSBvZ9pYo2TTfoWy4/02skucTY3ednZ6/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037