UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+BcCD++sf9Jd+w+emFmbEY5s3y3+sMHs/HaZPWFLxg=' 
WHERE 
  key_id = '82997613bb8f4a943cd0f584d3b44b89e9ad9b840a5e3497a2eba7e52595ff09' 
  AND (
    token = 'j+BcCD++sf9Jd+w+emFmbEY5s3y3+sMHs/HaZPWFLxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00015