UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNm1MOkANqrgUPbGwSXDPny8wK82VqGYto5oUctcS44=' 
WHERE 
  key_id = '936aa5c96e331fb1fbe6a14140e13f9b4d02644730d800b5808120c86f58fad3' 
  AND (
    token = 'PNm1MOkANqrgUPbGwSXDPny8wK82VqGYto5oUctcS44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )