UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/5yzBkTrFHEcFlM4xPiMaNLDk9GhFxtYo2m4CU/uJsA=' 
WHERE 
  key_id = 'e90416977df20803a34a7e1da37819b38600c48dbc382fe2c04434fc63b34190' 
  AND (
    token = '/5yzBkTrFHEcFlM4xPiMaNLDk9GhFxtYo2m4CU/uJsA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )