UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BGyySugyflnsAGed3WAu1cxmLs0jnxMq9k97118T6r0=' 
WHERE 
  key_id = 'b6d3f83251e50d99ed3ebb7a8c2813f54a0f69b9424a48ce0b2ef2457744e539' 
  AND (
    token = 'BGyySugyflnsAGed3WAu1cxmLs0jnxMq9k97118T6r0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )