UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CPEbqX/5UdQRdIxJEUxtLPYE2alxnIMWEOBF4LMUDac=' 
WHERE 
  key_id = '9cf19a707a74f0583936f2afbb6687aae9fd6b25705feefcc318f70ffcc6e17a' 
  AND (
    token = 'CPEbqX/5UdQRdIxJEUxtLPYE2alxnIMWEOBF4LMUDac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027