UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cm2qP/B0gzmsPnzI1vbqndDWb3M3itdVsmJZCt42jVY=' 
WHERE 
  key_id = '0270ad8a5dc945063144f29f3123c864b8001fe2d5cacd613d594481f1283400' 
  AND (
    token = 'Cm2qP/B0gzmsPnzI1vbqndDWb3M3itdVsmJZCt42jVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )