UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RbFTprzdKGJIxHKtzSPqQ876etFZufPe39eAyw/hQzQ=' 
WHERE 
  key_id = '03d33b4c97f24ba79240778f90248dd09d4721095ecc761c922854163de1cb54' 
  AND (
    token = 'RbFTprzdKGJIxHKtzSPqQ876etFZufPe39eAyw/hQzQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )