UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RBAAW/mUzCWgXFyY9oFBBPKUjfYcZXSGRNmYDBcJQPg=' 
WHERE 
  key_id = '593a0cfc467f4804719d776f56fc83e605f322b6ca32707452b01fe7b89431e2' 
  AND (
    token = 'RBAAW/mUzCWgXFyY9oFBBPKUjfYcZXSGRNmYDBcJQPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )