UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TBaOGs1ZLEMtOJ0nqBTpQdR3KxDZ5Ydu6wLY7paJM0g=' 
WHERE 
  key_id = '8341a284b62f6e9c256c266bdda9a0602fc5bec11cb607cc1ee040a917a88bf4' 
  AND (
    token = 'TBaOGs1ZLEMtOJ0nqBTpQdR3KxDZ5Ydu6wLY7paJM0g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041