UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nL35+mO9qlby7eLzlQO+E60xAZg3NSFADeZqBOqnpqs=' 
WHERE 
  key_id = '4db79a5e8045e6b2f2e8a3a320d2d3ed84842b54bc26e946cd338f6a2454a21d' 
  AND (
    token = 'nL35+mO9qlby7eLzlQO+E60xAZg3NSFADeZqBOqnpqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )