UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cGCR7+ehBjbtR3M40GSoVPokrwqwa8fHShJEvNDiKNQ=' 
WHERE 
  key_id = '540a8bbeb789e2e2d137096512b28421f79e7669377c8c2c58300724a641c553' 
  AND (
    token = 'cGCR7+ehBjbtR3M40GSoVPokrwqwa8fHShJEvNDiKNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )