UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7wGZSdDrRIAhLEBeWfEqRRK71oY0fhz2nqrZ1tH20MI=' 
WHERE 
  key_id = '77f51351086837786192ecf1eb7a85842fa98cce546959e4add5ed5e19342d1e' 
  AND (
    token = '7wGZSdDrRIAhLEBeWfEqRRK71oY0fhz2nqrZ1tH20MI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )