UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm/M9WEiJ9DbeYE3/27EXSOobEb2lSAd/16L2y5AsAHY=' 
WHERE 
  key_id = '375ff7cfcc043137fcb04b2931ee3d41475beae3d7b242a540f6b7c2ca20cf18' 
  AND (
    token = 'm/M9WEiJ9DbeYE3/27EXSOobEb2lSAd/16L2y5AsAHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032