UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BIy4OzV4YGthktiMxacJZOI9eWacrCHEk7spsjEXCNE=' 
WHERE 
  key_id = 'd14d3cb8ce85121681c7a359edfb788f2f3a177716d9218af26579129facf63e' 
  AND (
    token = 'BIy4OzV4YGthktiMxacJZOI9eWacrCHEk7spsjEXCNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )