UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Mmd2CQBFFAAXNSRaWJ3oipPj0YDqJNpdNiBnBjyPak=' 
WHERE 
  key_id = '8be8c27e93e2de0a9801764f82bbc9059a8aabfa9a28bc3caa6b5082f0a64010' 
  AND (
    token = '+Mmd2CQBFFAAXNSRaWJ3oipPj0YDqJNpdNiBnBjyPak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )