UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4ncXKb5qvk75VPwGLCCt50ESBUdfTMdgacEMcRHrTg=' 
WHERE 
  key_id = '15f4d62b63729fa3f3ca857da46086817eaff6cb41df0954395ed1e410a9fbfa' 
  AND (
    token = 't4ncXKb5qvk75VPwGLCCt50ESBUdfTMdgacEMcRHrTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )