UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QEem/XqgKR2uMx/T9JBHsL3s8OnDb9ovssEBxPy8kuU=' 
WHERE 
  key_id = '84fa0c2d391b34720c9d13991a4e2b4751d4b384cb98133fe27a10a26ab575a0' 
  AND (
    token = 'QEem/XqgKR2uMx/T9JBHsL3s8OnDb9ovssEBxPy8kuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )