UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9L/x8fQYlfAcEREx+zLeBmk7/jvmaFEKxIeW2IfXEI=' 
WHERE 
  key_id = '36acdd0fcd139e53f166eeb45edc9febcdec158d64c32ab47007e9a0b5d73cb6' 
  AND (
    token = 'U9L/x8fQYlfAcEREx+zLeBmk7/jvmaFEKxIeW2IfXEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )