UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mXhX2GhpMPtOmYAlorDnBy5R7/Mg9FYGM4FUnAUEapk=' 
WHERE 
  key_id = 'b1a382eeb36022da59ac7095e41201117dfa5af9f7227fc5ea1f1ed4ea0fd428' 
  AND (
    token = 'mXhX2GhpMPtOmYAlorDnBy5R7/Mg9FYGM4FUnAUEapk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )