UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lRKWTcq2NjqhrvaoDTelNGCRryPFNzsUKcYVV7FUdp4=' 
WHERE 
  key_id = '537a1b19b67659c42a4179a1cc435bf8d4c7fadda014f3969ebd6dc6bda8b7d3' 
  AND (
    token = 'lRKWTcq2NjqhrvaoDTelNGCRryPFNzsUKcYVV7FUdp4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )