UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MqtzOQJR9Xv7apjCyak2AMQLzhxhqEKi7G2nkIbBHVo=' 
WHERE 
  key_id = '4895dcec16288ce4c27c781d1bbddfcedfcf4fd047ca4a077e422abc0be33f8c' 
  AND (
    token = 'MqtzOQJR9Xv7apjCyak2AMQLzhxhqEKi7G2nkIbBHVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )