UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uUEKbRWSggmf/Q3K8pE3683U/sVAVrqRQ2fZx2IuA8I=' 
WHERE 
  key_id = '6e4979bec3dcd42c666e6eae363f750b91c10ceffd2544b139d2b699c0180230' 
  AND (
    token = 'uUEKbRWSggmf/Q3K8pE3683U/sVAVrqRQ2fZx2IuA8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )