UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZTUjMBFzE+GhvDddRV5zfSikApkKU1USOxIOAnt7Ffo=' 
WHERE 
  key_id = '1652b6d9b98c9aee9ff23c4cb362d03baf4874f46bfa2ec591b7bbfd2c8a8a51' 
  AND (
    token = 'ZTUjMBFzE+GhvDddRV5zfSikApkKU1USOxIOAnt7Ffo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022