UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T+O37dVp08XzBv3DeGP/eNerGCeTY8aa9xAXcNHoOyo=' 
WHERE 
  key_id = '5256dcb0f0085597596597a9d463cbbeaf559ff61ea0c331dc8bd77d3bfd2493' 
  AND (
    token = 'T+O37dVp08XzBv3DeGP/eNerGCeTY8aa9xAXcNHoOyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )