UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y4beN9E1I75UVIsmYcpPAnt5bH5pVQphdmrWLgRR18k=' 
WHERE 
  key_id = '908487aa3914a47ee5a313429067f31a5ead94d72f7b6248fa951f2ff4d5ab77' 
  AND (
    token = 'y4beN9E1I75UVIsmYcpPAnt5bH5pVQphdmrWLgRR18k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )