UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j4dW1XX2kZiBJlnjhxcqlFTQoNOTKVCJHDxUchnUtrc=' 
WHERE 
  key_id = '94ab766066dcabe03b6b26ca9b034d4a791063d8c6ca5715d666362db2fe9210' 
  AND (
    token = 'j4dW1XX2kZiBJlnjhxcqlFTQoNOTKVCJHDxUchnUtrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )