UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c8Yk6tbKlmPqrN+BQRVLCd17OGQtyypBgcltKGQxEFs=' 
WHERE 
  key_id = '6012dd4e3c4d63355e2ac8a3c75d9f2b4266a422f8205f2e81712f4aad60002c' 
  AND (
    token = 'c8Yk6tbKlmPqrN+BQRVLCd17OGQtyypBgcltKGQxEFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )