UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C+exFDX6uaeI5g4KA9HyBWNdyBucwbSmA/llgxcsL0I=' 
WHERE 
  key_id = '6a5d49cc9cc35d8fdd25f00c030fe0448396cff1ae257a87e05d58ba400fb834' 
  AND (
    token = 'C+exFDX6uaeI5g4KA9HyBWNdyBucwbSmA/llgxcsL0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )