UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R5eAZBPk2v2FWgEjy/gePHVeFLVCIeyTTqPEZkchqfE=' 
WHERE 
  key_id = '34490949d6c6d3c23f02017c1d862597b1551cdc089eae781893c80a93b3c55e' 
  AND (
    token = 'R5eAZBPk2v2FWgEjy/gePHVeFLVCIeyTTqPEZkchqfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )