UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeLswIdCu6h1cGwl+2jOfHjAD+xioNtmrhurogaDTz0=' 
WHERE 
  key_id = 'd6d64239c3997429b637b1c39be086689203edd01197530a108f9a0ff522c704' 
  AND (
    token = 'MeLswIdCu6h1cGwl+2jOfHjAD+xioNtmrhurogaDTz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )