UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't31QA5Bju9j8eY3mR5fX0oi4zbYM/8/OlncctgFOuFE=' 
WHERE 
  key_id = 'd3298d4b04285ae78df75350db026e9b17937a2d1e00e26f31d578d26b14d76e' 
  AND (
    token = 't31QA5Bju9j8eY3mR5fX0oi4zbYM/8/OlncctgFOuFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )