UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ev7GEYSFKboL59Trk/SZa0p+wnjzWItY/YrdjL+Kqqc=' 
WHERE 
  key_id = '73ff3a99f95d1967d7c6741274375e78f554c4413740fbba2b8c281187e399b5' 
  AND (
    token = 'Ev7GEYSFKboL59Trk/SZa0p+wnjzWItY/YrdjL+Kqqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )