UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTmAoQZu2X9tfb37A6ziaKyYlqqzIlsKO4oRdSDw0G4=' 
WHERE 
  key_id = '75a7065af5c98c2166f145612a72b61c27edb18ce799840e520ffb076a157e3f' 
  AND (
    token = 'MTmAoQZu2X9tfb37A6ziaKyYlqqzIlsKO4oRdSDw0G4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )