UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xK/PjB+EjxRZIdG9gkYoWCSZMRNp3+0B2g2cMHhu2sA=' 
WHERE 
  key_id = '74f5a2ec6e3889760be98fb353a3a221585f9659fc95ee467c85e7b8e1e503bc' 
  AND (
    token = 'xK/PjB+EjxRZIdG9gkYoWCSZMRNp3+0B2g2cMHhu2sA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033