UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '75CH3EOhgnnsZWwR3d5hs3w42/D1hwLpXMMi3I7LKsY=' 
WHERE 
  key_id = 'a1c3424829088a343a6421eb6ff424fa0205fb0818b627d0460d16a6c11a1e19' 
  AND (
    token = '75CH3EOhgnnsZWwR3d5hs3w42/D1hwLpXMMi3I7LKsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )