UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tzeIliQulPe8r55HzqIw2tRcOPLVYbp1C9ByPQgKRjY=' 
WHERE 
  key_id = '50a4baf5ba53228302fbf34d63da28672d95b933acf35ecc3b3fbbb0dd1ae6be' 
  AND (
    token = 'tzeIliQulPe8r55HzqIw2tRcOPLVYbp1C9ByPQgKRjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )