UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kA6E59o7zObF6S0aYPbR/12YvozCunSN6sIKmr3okpk=' 
WHERE 
  key_id = '3825eb72cfacc102849abacf471a2e6c963a197981ad903d9930e853f189780a' 
  AND (
    token = 'kA6E59o7zObF6S0aYPbR/12YvozCunSN6sIKmr3okpk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )