UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQekua6cebf23GHzmSsKs+gDp3lxYj/UypeYUR73UH0=' 
WHERE 
  key_id = '837e4a2fe5106f86b619f6f39ce26a283ff50325fc5a017b647fedab1ec97f51' 
  AND (
    token = 'xQekua6cebf23GHzmSsKs+gDp3lxYj/UypeYUR73UH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )