UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'obXd+s7GvSNKNy7DTBWl4U4X0EA/M0FKYkxnRM2aXr8=' 
WHERE 
  key_id = '0dfab08d805f84ce58a163670dcb5e04419ab30ad681bee0f2871e64ef95862f' 
  AND (
    token = 'obXd+s7GvSNKNy7DTBWl4U4X0EA/M0FKYkxnRM2aXr8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039