UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcxE1tI4cCkDYyx7PVs+DepWIiTZa3nnBn5fCasxoks=' 
WHERE 
  key_id = '2bc15ab6d857eff8eddfd3dcefd1facc1a2b55a5fdcadf437693a6a39018a95b' 
  AND (
    token = 'PcxE1tI4cCkDYyx7PVs+DepWIiTZa3nnBn5fCasxoks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )