UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gzqZ+8eufjNocujwMUbWCfLf1W9gpKsmH1F1d+tnzEo=' 
WHERE 
  key_id = '859973d80f227d258dd9e324e287f2257ae9040d1c9195913b8d2550b274700c' 
  AND (
    token = 'gzqZ+8eufjNocujwMUbWCfLf1W9gpKsmH1F1d+tnzEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )