UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IC8v+Hidj8ffawdihcZ/0+QdGpSv9yNxrgq30xCpk50=' 
WHERE 
  key_id = 'bf8295d81fead0f70274f925daad595b26b7e5cd2f09c55f97bc1dd854f0caf9' 
  AND (
    token = 'IC8v+Hidj8ffawdihcZ/0+QdGpSv9yNxrgq30xCpk50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )