UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LsZgx6mL2/vay12sAN7kNSBm515RTGjRnUiM/5JpkHQ=' 
WHERE 
  key_id = '9855240291854193bcd6e885dcf2c1c034fb4775eb57aebd26232d1d2de2cb97' 
  AND (
    token = 'LsZgx6mL2/vay12sAN7kNSBm515RTGjRnUiM/5JpkHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )