UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xFDYWyHbVrVowiS6eFHUP2C4OELj26LY6/wgqhPoqIo=' 
WHERE 
  key_id = '8e403ebc2cde7e68221c3b33e2e256d759a5ab09a92d0da5919cffe8947c0623' 
  AND (
    token = 'xFDYWyHbVrVowiS6eFHUP2C4OELj26LY6/wgqhPoqIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )