UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gEqYU5YFAaHNiWjGUVBjKmokfrLgEoIrjlKjNK6KUD0=' 
WHERE 
  key_id = '6c4efa170c51feec8b22ca6564ac4cecfb456b2c4cf9fa2e213ab834b7bf8615' 
  AND (
    token = 'gEqYU5YFAaHNiWjGUVBjKmokfrLgEoIrjlKjNK6KUD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )