UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EEsVGKAoKV0Td2UHArBU9sd6bmNMu7ItXOauCIftfYE=' 
WHERE 
  key_id = '51c492788e6f6f4f7291328402dfd083ff33c400615d5653e5bea95557e39bc0' 
  AND (
    token = 'EEsVGKAoKV0Td2UHArBU9sd6bmNMu7ItXOauCIftfYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )