UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2gfwBIawi6U+i7pVvAWOHTyLVPk8GsDSfCGNb/+UoI=' 
WHERE 
  key_id = '294908e5baac329316ddd64810017807eabd592a481be979a5c053241571ca52' 
  AND (
    token = 'a2gfwBIawi6U+i7pVvAWOHTyLVPk8GsDSfCGNb/+UoI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )