UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4LosOh8QmqNpYGiI47pqakiiI73PYclYKRx8CE7EXc=' 
WHERE 
  key_id = 'f4ae3272a1bc31a82e096bc0eec48055d87e9456cc4b5ca08e63344758bdfaa8' 
  AND (
    token = 't4LosOh8QmqNpYGiI47pqakiiI73PYclYKRx8CE7EXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031