UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2fQnkSgw+IwQ9CffvYXxDMf2L2X0SqYNoghTILWNAL0=' 
WHERE 
  key_id = 'b76732ba1256ddc1a8c7b1e773b9eb64be63316a1295afb372ee7db15b4d6324' 
  AND (
    token = '2fQnkSgw+IwQ9CffvYXxDMf2L2X0SqYNoghTILWNAL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )