UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tTHCHBsJwq4OOpU2/UjmiLUQDjKsppPeekjHAtZzbMg=' 
WHERE 
  key_id = '7187ab4dc5a93a70af4adac6377dc9b253bb303213ee790232633620518cde94' 
  AND (
    token = 'tTHCHBsJwq4OOpU2/UjmiLUQDjKsppPeekjHAtZzbMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )