UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Oyb8eyJzQKVdzObUrw3aefkNuFh0pRst4Qp+XqaJtbI=' 
WHERE 
  key_id = 'c687d04ec54e89fe1cc867c8123d7165eafbed54bfa167987b722edbdccf6406' 
  AND (
    token = 'Oyb8eyJzQKVdzObUrw3aefkNuFh0pRst4Qp+XqaJtbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )