UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Cd/126X96hGv/xpzvEBI2+Nm1pF71+H9Ygjfqzefvg=' 
WHERE 
  key_id = 'f6849ddcec007e3a80b70d65a5911b73985970254470b5b1900f1b146c652104' 
  AND (
    token = '0Cd/126X96hGv/xpzvEBI2+Nm1pF71+H9Ygjfqzefvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )